ChangeLog

1190.	[func]		tomek
	User context implemented: an arbitrary user information can
	now be defined for address and prefix pools.
	(Trac #5023, git 4f81789e19b72c933bcf86e402b417c63bd7bd3f)

1189.	[func]		fdupont
	Owing to API changes, crypto code now requires OpenSSL 1.0.1 or
	later.
	(Trac #3908, git 4c14fdfd4187a4c8f7b775432082b76782e47663)

1188.	[doc]		vlegout
	Fixed several spelling mistakes.
	(Github #32, git d51c005519c4add6fd0c37bcd68b0fbe94941b2d)

1187.	[bug]		marcin
	DHCPv4 server allows for allocating multiple leases for the
	same hardware address if a different client identifier is
	used for each lease. This facilitates the PXE boot use cases
	where a booted machine may request a lease multiple times.
	(Trac #5029, git 03defed4d8bb9a997d31dbfcf30ae3f866bd3353)

1186.	[func]		marcin
	Support for DHCPv6 options defined in RFC6603 and RFC7598. Thanks
	to Andrei Pavel and Cristian Secareanu of Qualitance for submitting
	initial implementation.
	(Trac #github24, git 59b62eb3ddd9db62c04bd47cd8fbdc1af62fbc1b)

1185.	[build]		marcin
	Install Kea headers to be used for building external libraries.
	Before this change some required headers were not installed.
	(Trac #5055, git a46087b7b7face4a1318658bbdcbf7602c1bb729)

1184.	[bug]		eest
	Fixes in the occasionally failing LFC unit test. This
	fix was provided by Patrik Lundin.
	(Github #31, git 69a5722bf3b41bf3b2bc0c2bcac966c23c08f62d)

1183.	[bug]		tmark
	kea-dhcp4 now correctly loads declined leases from CSV
	lease files. Prior to this, declined leases were being
	incorrectly and silently discarded.  In addition, both
	kea-dhcp4 and kea-dhcp6 will now emit an error log for
	each invalid row encountered when loading leases from
	CSV files.
	(Trac #5058, git 29b088079bed3c5059fdf8a43a4e79cd7f9a4207)

1182.	[func]		marcin
	DHCP servers detect overlapping pool ranges during
	configuration.
	(Trac #2280, git c8f931e0189c9630f5fba5d2a5553bed4abf36f7)

1181.	[func]		marcin
	Extended DHCPv6 server to allow for specifying DHCP options
	on address and prefix pool levels.
	(Trac #5022, git e3b2785c79aedbb0c8af7468d61f6d61dafd2282)

1180.	[doc]		stephen
	Editing pass through the Kea guide.
	(Trac #4484, git 63456fab1b978bd515198b9b9e604f293efd8217)
	(Trac #5008, git f09cd12d5b1abc60ccef98df2abc6c41b482a404)

1179.	[doc]		tomek
	Manual pages updated.
	(Trac #3515, git 4cf0395e11e724786c4d2a1d48805f1c770f4c99)

1178.	[doc]           tomek
	user_chk hook library is now documented in the User's Guide.
	(Trac #3209, git 4a8534d968a21cff3851619fb22d0032a1202c87)

1177.	[build]	marcin
	Updated Kea libraries version numbers for 1.1-final release.
	(Trac #5012, git 6e9a224b46def357141a31386fcc912b29dfe16d)

1176.	[doc]		tomek
	Developer's Guide has been updated.
	(trac #4299, git ed38076c183394feaef60e7123d0c488c9f6447d)

1175.	[bug]		marcin
	Corrected a bug whereby a client, for which there was no
	host reservation specified, did not obtain an IPv6 lease
	from a server when PostgreSQL or MySQL host database backend
	was in use. In addition, PostgreSQL host database backend
	allows for specifying NULL values in certain columns within
	host reservation tables.
	(Trac #5009, git d3109bb27786867fdc99954ba55367f0ad129e7a)

1174.	[bug]		tmark
	Modifed kea-dhcp6 to avoid requesting DNS updates when
	existing leases are renewed without changes to the FQDN.
	(Trac #5007, git 05ea3a5eb75c06cf9814c63a1a54261bf58a954b)

1173.	[bug]		xxwolfsrainxx, marcin
	MySQL database creation scripts use single quotes for
	strings to avoid issues with creation of the database
	when MySQL server operates in ANSI_QUOTES mode.
	(github #30, git e40a54a8e24b5f6427edd4afcd5cdc15012b8866)

1172.	[bug]		andir
	Kea build fixes for gcc 6, which uses C++14 by default.
	(github #29, git ad68c3942839618c26d7ff017fbac7df139b5d01)

1171.	[doc]		marcin
	Updated supported operating systems and the prerequisites for
	installing and building Kea in the Kea Administrator
	Reference Manual.
	(Trac #4502, git af847837590ce5b37a300ebe15652fb172585b38)

1170.	[doc]		marcin
	Updated Kea Administrator's Reference Manual sections
	regarding host reservations. Added configuration examples
	for using host reservations with MySQL and PostgreSQL
	databases.
	(Trac #3684, git 71d21eac51d20ff5d368b17c437abc45c955a04c)

1169.	[doc]		marcin
	Updated Kea Administrator Reference Manual to explain the
	implications of using "kea_verbose" parameter in the keactrl
	configuration.
	(Trac #3950, git c5f4920fd1994882e1fae398ae29b455401296bd)

1168.	[doc]		marcin
	Corrected location of the Kea repository in the Kea Administrator
	Reference Manual.
	(Trac #4258, git f081000b892287316e54848ca1f62ca3512d4263)

1167.	[func]		marcin
	DHCP servers utilize client classes defined in host reservations.
	(Trac #4765, git 242fbc47b31da404e57be458ac065f811084cca9)

1166.	[bug]		marcin
	Corrected error message produced by the host database access
	parser when the database type was not specified.
	(Trac #4261, git 028dd49f4fa4843e68e23d11c237e9f4683470ba)

1165.	[func]		marcin
	Hostname option is returned to the client when requested using
	Parameter Request List option. Previously this option was only
	returned when a client has sent Hostname option to the server.
	(Trac #5005, git 96ab8ecaa3d5b2d6cd88d0b16406f433d2cdf841)

1164.	[bug]		marcin
	Corrected an issue whereby DHCPv4 server did not correctly set a
	server identifier in response message sent to a client on BSD
	systems.
	(Trac #5003, git 110c67325072a781d55cf0634f8f5f3385611f97)

1163.	[bug]		marcin
	Corrected swapped DHCPSRV_MEMFILE_GET_EXPIRED{4,6} messages
	in the Memfile lease manager.
	(Trac #4717, git ce5919d97879c3fda0858894b24418af135ef8f3)

1162.	[func]		pallotron
	Added two enhancements to perfdhcp: optionally using MAC
	addresses from a file in new DHCP transactions, and
	generation of DHCPv6 relayed messages.
	(github #22, git c5b4a5981cf642ebb9aecb8acc07b87abdccbd91)

1161.	[bug]		fdupont
	Fixed interface manager receive methods which raise a bug on
	Fedora 24 / gcc 6.1?
	(Trac #4551, git 8d590e434062535e850a60a7892481df845ff390)

Kea 1.1.0-beta released on August 31, 2016

1160.	[build]		marcin
	Bumped up version numbers of Kea libraries and KEA_HOOKS_VERSION
	for the Kea 1.1.0 beta release.
	(Trac #4632, git 93941523e039a1cc4bb34182a290f9d7b805df34)

1159.	[func]		marcin
	MySQL database schema updated to version 5.0.
	(Trac #4562, git 0e40b35e280f0845686bcfdb2efb577c7878ede6)

1158.	[func]		tomek
	It is now possible to specify fixed fields (next-server,
	server-hostname and boot-file-name parameters) for client classes.
	(Trac #4626, git 89cf54524d8b55cc982ab2146915c0a90fc6efe2)

1157.	[func]		marcin
	Added support for static reservations for fixed fields in
	DHCPv4 messages: siaddr, sname and file.
	(Trac #4552, git 9b79fe005dd77328ea7c596fc6886f8fb838d1cf)

1156.	[bug]		tmark
	Lease statistics are now recalculated during server startup and
	after each successful reconfiguration for Memfile, MySQL, and PostgreSQL
	back ends.  This addresses issues caused by accumulated values being lost
	across restarts and reconfigurations making rendering values incorrect.
	(Trac #4294 git 0abdcf15f85861ffcb67d50fa4ce3965d25e4a9f)

1155.	[func]		marcin
	Kea can be configured to operate using read-only host database.
	This is only supported for MySQL and PostgreSQL databases.
	(Trac #4489 git 0d8dc7affb67ad8066b44c6f81532b79a641d50b)

1154.	[bug]		stephen
	Changes to logging to avoid premature destruction of some
	objects during program exit.  On some systems this caused
	one of the unit test programs to crash when it terminated.
	(Trac #4494, git 023c2fc3688bcdbccb4b286bea873c8f9c06cd5f)

1153.	[func]		tomek
	Integers can now be used in client classification.
	(Trac #4483, git e90cf0ee4007521b86177be6d5fbb970c02c1075)

1152.	[doc]		marcin
	Use of PostgreSQL as a storage for host reservations is now
	documented in the Kea Administrator Reference Manual.
	(Trac #4282, git f2879919772c10b1ae8c45d0e761ef199cf84061)

1151.	[func]		tmark
	Support for assigning client classes to host reservations has
	been added to both the PostgreSQL and MySQL backends.
	(Trac #4277, #4213 git 6990ab9d542e984c59ce5a11ff926c3c732a75fc)

1150.	[bug]		tomek
	Extended gcc bug workaround to work on all versions of gcc
	from 5.2 up to, but not including 6.0. See ChangeLog entry
	1103 or Trac ticket #4243 for details.
	(Trac #4553, git 80243d9d246b982d86dd7e0d00597383cae01706)

1149.	[bug]		marcin
	Corrected a bug whereby clients were not assigned reserved
	addresses from an external database, as a result of unexpected
	closure of a connection to that database.
	(Trac #4544, git 7f682112dd5ab9fcd6bfa4e10505c246775f353d)

1148.	[func]		tomek
	The vendor options (124, 125 in DHCPv4 and 16, 17 in DHCPv6) are
	now accessible from client classification.
	(Trac #4270, #4271, git ef676368f9036625d73f7f34e3fe9b5eeeaee7f1)

1148.	[func]		fdupont
	Added the pkt classification token to extract incoming packet
	meta-data (receiving interface name, source and destination
	address, length).
	(Trac #4272, git 9a3bdfa43cf65ef56a8d63580dd5d7414fc41373)

1147.	[func]		stephen
	-Werror is no longer the default for compilation.  Promotion of all
	compilation warnings to errors now requires the --with-werror switch
	to be specified when running configure.
	(Trac #4533, git 874e3a3f5cb10313856284646fcee7cf86e4fcce)

1146.	[func]		sar
	Add the forensic hook library documentation to the admin guide.
	(Trac #4511, git 0bb39840a3cbdaf815819f846120c90d9ca038ff)

1145.	[func]		tmark
	The Postgresql backend now supports host reservations for both
	DHCPv4 and DHCPv6, with options and IPv6 reservations.
	(Trac #4277 git ac1eaa1026987c2d86d57b4aa0dc9a4d093787f0)

1144.	[bug]		mihu
	Response to DHCPINFORM is generally sent to port 68, rather
	than port 67. Thanks to Michal Humpula for providing a patch.
	(github #23, git 4216a4bedf8a884df087c68d48c88ee9ffa444dc)

1143.	[doc]		fdupont
	User's Guide has been updated with DHCPv4-over-DHCPv6 support
	details.
	(Trac #4273, git fe8cb64adeabe00d84ee390b579a8328717ae521)

1142.	[doc]		sar
	Uncomment the example columns in some rows in the table
	listing the classification examples.
	(None, git dee442a64f57c8d9dd87636f9e39084ed1b11e03)

1141.	[func]		marcin
	Pkt4, Pkt6 and Pkt4o6 objects passed to hooks libraries
	return copies of DHCP options to avoid unintended modification
	of the options stored in the server configuration.
	(Trac #4497, git e50d2ebe998ec3faad8ade22b6971d6584c81044)

1140.	[func]		marcin
	DHCPv6 server supports assigning multiple reserved addresses
	and/or prefixes to a single client.
	(Trac #4321, git 0bfb2a9093174e4424051c01beeee7637ac95be0)

1139.	[doc]		tomek
	New features of host reservations have been documented: ability
	to reserve standard and vendor options in host reservations. Separate
	sections for each backend added.
	(Trac #4518, git 99a40fead28f4324dfb55f1962a8bf3e85ab70e2)

1138.	[build]		fdupont
	Compilation problem on FreeBSD caused by unused parameter in
	certain version of boost headers is now resolved. Also, INSTALL
	file has been updated and now lists dependencies.
	(Trac #4283, git 7dbd95651c308527f2e42c533fdc0a12aeec5308)

1137.	[doc]		fdupont
	Developer's Guide has been updated with DHCPv4-over-DHCPv6 support
	details.
	(Trac #4274, git b3eda594e055f03a9a601bacf0c72c3db0ef8e3c)

1136.	[doc]		tomek
	Included full text of MPL 2.0 and Apache licenses.
	(Trac #4529, git baefb4b3e2078a0a0f794b42ef52d6b7d53c9dab)

1135.	[func]		fdupont
	Integrated the DHCPv4 service part of DHCPv4-over-DHCPv6 support.
	(Trac #4110, git 7d36aebe14db10b0cbac8e6c0e82160b9d5d7ecd)

1134.	[func]		fdupont
	Integrated the DHCPv6 service part of DHCPv4-over-DHCPv6 support.
	(Trac #4109, git 8d1f330d9b0a44039a8b9e0b479f8da1743b9504)

1133.	[func]		razvan
	The initial support for CQL (Cassandra) backend added. It is able
	to store leases information.
	(Github #21, git d3a412d4b090bfd84ec5bc5d7817b1dfcc92602e)

1132.	[func]		tmark
	The Postgresql schema has been updated to support host
	reservations and its version number has been bumped to 3.0.
	This schema is content equivalent to the MySQL schema version 4.2.
	(Trac #4275, git 6f8e646bee9de22c921ed26409f3d1856ebce9e6)

1131.	[func]		fdupont
	Update the DHCPv4-over-DHCPv6 inter-process communication code.
	(Trac #4106, git 1ce1cba00af5d81822d5bbe26ddd28b718f51d54)

1130.	[func]		marcin
	DHCPv6 server assigns DHCP options specified for hosts. Host
	specific options take precedence over class specific options,
	subnet specific options and global options.
	(Trac #3573, git c29551e43010a345cfa2efda46389f4433d84650)

1129.	[bug]		marcin
	libdhcp++: Removed unnecessary copies of the container holding
	option definitions to improve performance of both DHCPv4 and
	DHCPv6 server.
	(Trac #4498, git 14716853a92e08c4cc5be75ae85c5e84d6356a1e)

1128.	[func]		tomek
	Subnet selection in DHCPv4 will now work, even if the addresses
	configured on interface are not in range of the subnet definition
	from the configuration file.
	(Trac #4308, git 7c74ecdbb64c69d341d623422216b0a54e6ff519)

1127.	[func]		marcin
	DHCPv4 server assigns DHCP options specified for hosts. Host
	specific options take precedence over class specific options,
	subnet specific options and global options.
	(Trac #3572, git 49f67aaf36dab38b4fcbf59dcad97e4309903b2f)

1126.	[func]		marcin
	Host reservations can be assigned using DHCPv4 client identifier.
	(Trac #4317, git 5f14fca1e029b04ad21a417936c2b8889acef10d)

1125.	[func]		fdupont
	Inter-process communication for exchanging packets between
	DHCPv4 and DHCPv6 components of DHCPv4-over-DHCPv6 has been
	implemented.
	(Trac #4106, git 3223bb8280bfd99c225e725de660ae764abe3c87)

1124.	[bug]		sar
	Update the classification document to match the output from
	the debug statements.
	(Trac NA, git 8b3ea8e26c3e6cd3c46073b635212fd29f031774)

1123.	[func]		marcin
	Extended MySQL host data source to retrieve DHCPv4 and DHCPv6
	options associated with hosts from a MySQL database.
	(Trac #4281, git b8a306a27d1cae03f6bc5223c30806f5cd1b64f4)

1122.	[func]		sar
	Add debug logging to the classification tokens.  This uses
	the loggers "kea-dhcp4.eval" and "kea-dhcp6.eval" to capture
	details of the classification expression evaluations.
	(Trac #4480, git cf14d0d21c69879f21733457a97a6ac0bdb1dae2)

1121.	[func]		stephen
	Make the database connection timeout a configurable parameter with
	a default value of five seconds.
	(Trac #3164, git 3332ad17523c6fcc1e735e4297169ebb2de95118)

1120.	[bug]		marcin
	Performance improvement in libdhcp++: improved efficiency of the
	DHCPv4 Message Type option creation.
	(Trac #4495, git 41c43a2a9e34931fc3ebf58c459f10ad08575d19)

1119.	[bug]		marcin
	Performance improvement in hosts reservation: removed
	inefficient conversion of the host identifier to text
	when logging.
	(Trac #4499, git 48c20790480d5ed7bfde0ef7b052dd4a9745607d)

1118.	[func]		tmark
	The "query4" argument, containing the client packet received, has been
	added to the DHCPv4 hook points: lease4_select and lease4_renew.  The
	"query6" argument, containing the client packet received, has been
	added to the DHCPv6 hook points: lease6_select and pkt6_send.
	(Trac #4481, git c0af94c47bda85eb1caa3a78a46280b63990672a)

1117.	[bug]		stephen
	Adjusted variable type in a MySQL-related file to overcome a
	type mismatch problem reported by one particular compiler.
	(Trac #4485, git 4c6fb189b5d12ffdf4ab171c9154366e70e6082c)

1116.	[func]		tomek
	DHCPv4 subnet selection can now be selected based on IPv6
	information. This is part of ongoing effort to support RFC7341:
	DHCPv4-over-DHCPv6.
	(Trac #4112, git 3352685981ec8ca9a90f7405ff56cd31af6fb0d9)

1115.   [bug]		tmark
	An explicit call to unload the hook libraries prior to server
	exit was added to both kea-dhcp6 and kea-dhcp4.  This corrects
	an issue where logging components were being destroyed prior
	to hook libraries being unloaded.
	(Trac #4492, git 2a4792b3551cce2fb9147f33f032ae7e71791d21)

1114.	[bug]		marcin
	perfdhcp: Improved algorithm for dropping timed out transactions.
	This prevents growing memory consumption due to storing timed
	out transactions when the DHCP server drops many messages.
	(Trac #4493, git 9757a93110afb82c5379643f2f48e223d497efae)

1113.	[func]		tomek
	It is now possible to specify parameters for hook libraries.
	(Trac #4297, git f45d0b5d297f6ad522eb8b7e6f6a0de1064b8569)

1112.	[func]		marcin
	"host-reservation-identifiers" configuration parameter has been
	implemented. It allows for specifying an ordered list of
	host identifiers that DHCPv4 and DHCPv6 servers use to
	retrieve static host reservations for a client.
	(Trac #4303, git 942808400e7116d95acfd53b0dc1ecad1c45c598)

1111.	[func]		tmark
	Schema scripts have been relocated from src/bin/admin/scripts to
	src/share/database/scripts and are now shared by both kea-admin
	and unit testing.
	(Trac #4239, git 131fcf52f2a65cedb53975f99114296366fb0199)

1110.	[func]		fdupont
	Added support for extracting constant length fields from a DHCPv4
	packet.
	(Trac #4268a, git 5d1397efc05802b72e86785528870b7154307ff0)

1109.	[func]		sar
	Added support for accessing DHCPv6 packet fields message type
	and transaction id in a classification expression.
	(Trac #4269, git 48be5f5ceaba6b0d0a2b31465e8a5904524e894c)

1108.	[bug]		pallotron
	perfdhcp uses the same transaction id throughout the DORA
	exchange to adhere with RFC 2131.
	(github #19, git d260a70d6aa0baecd68131bc35f58f097aa77bcc)

1107.	[func]		tmark
	The DDNS parameter, replace-client-name, has been changed from a boolean
	to list of modes, which provides greater flexibility in when the Kea
	servers replace or supply DNS names for clients.  This is supported both
	kea-dhcp4 and kea-dhcp6.
	(Trac #4259, git 45e56d7aa0d4a6224a1a28941f6cb11575391222)

1106.	[func]		marcin
	"circuit-id" can be specified as host identifier in host
	host reservations. However, the server ignores the reservations
	by "circuit-id" at this point.
	(Trac #4301, git cf56fc2a2e0e821a17dd95de49a43755745682fb)

1105.	[func]		sar
	Added access to the peer address, link address and option
	information added by relays in a DHCPv6 message.
	(Trac #4265, git bb00d9d205ee047961ba70417d7ce02c37d80ce7)

1104.	[bug]		stephen
	Made DHCPSRV_MEMFILE_LFC_UNREGISTER_TIMER_FAILED a debug message as the
	condition leading to it (trying to unregister a timer that is not
	registered) does not have an adverse effect on the operation of Kea.
	(Trac #4293, git 06204c5d347d0df359af69974c155d0fa9725b44)

1103.	[bug]		tmark
	Wrapped asio/asio.hpp with logic to suppress optimization when building
	under GCC 5.2.0 through 5.3.1 and BOOST_ERROR_CODE_HEADER only is defined.
	This avoids an issue in the asio socket layer that was incorrectly
	reporting socket read errors causing unit tests to fail and kea-dhcp-ddns
	to loop logger calls in the error handler (aka double errors).
	(Trac #4243, git 082f846f37cb32964c876b2bff5fcac82d1eaaf0)

1102.	[func]		marcin
	Updated Host Manager API to allow for retrieving host reservations
	by any type of host identifier. Previously it was only possible
	to retrieve host reservations by hardware address or DUID.
	(Trac #4302, git 3979656c918164e3c39e0e8fb78b2862a2b5e95a)

1101.	[func]		kalmus, marcin
	Implemented IPv6 address/prefix reservations in MySQL.
	(Trac #4212, git 79481043935789fc6898d4743bede1606f82eb75)

1100.	[func]		fdupont
	Reorganized the DHCPv4 and DHCPv6 services into run() (service
	loop), run_one() (receive, call next routine and send) and
	processPacket() (internal core processing of an incoming packet).
	(Trac #4108,#4266,#4267, git ba24bd770d1a1791f8fdc3df7f2e41f9f0c851ec)

1099.	[func]		tmark
	Both kea-dhcp4 and kea-dhcp6, now log the primary lease events (e.g.
	grants, renewals, releases, declines) at the INFO log level to the
	lease4_logger and lease6_logger respectively.  Prior to this these
	events were logged at the DEBUG log level.
	(Trac #4316, git 9beca27e3d76d0ccec925125f23074227db08869)

1098.	[bug]		fdupont
	Fixed some minor Coverity-detected issues.
	(Trac #4326, git ad1f442ee4382b354dc8be84ba77785e565aa86b)

1097.	[bug]		marcin
	libdhcpsrv: Fixed issues with lease indexing in Memfile
	database backend.
	(Trac #4339, git a065144663ac716b1fa1c8c224a88aa176da9630)

1096.	[bug]		fdupont
	Fixed Coverity-detected overflows in pkt4::setFile() and setName().
	(Trac #4306, git 0b7388891eaab39fe727b076468d672551126796)

1095.	[func]		marcin
	DHCP option values can be specified within host reservations
	in the configuration file.
	(Trac #4319, git 069dd7c248afcfcb7e4d958f20faa32e946e74ce)

1094.	[bug]		fdupont
	Fixed Coverity-detected exception-handling issues.
	(Trac #4307, git 3e1050749d9684144e1bd17552af7e4abf3c0d17)

1093.	[func]		fdupont
	Added support for IP address (IPv4 and IPv6) literals in
	classification expressions.
	(Trac #4232, git b98cc019b172a4903a2121e910f3cee4eaca2d51)

1092.	[func]		fdupont
	Added relay4[X].exists method in classifications that checks
	whether a sub-option is present in theDHCPv4 RAI (Relay Agent
	Information, 82) option.
	(Trac #4313, git 87397fd75215b69ad79708aaa1d7505aca299fb5)

1091.	[bug]		fdupont
	Protected DHCP server main() routines against errors raised from
	logger calls in the error handler (aka double errors).
	(Trac #4310, git 6813e1a7520335f6920ff8de5e52ecdb24712910)

1090.	[bug]		fdupont
	Empty option specifications no longer require setting the
	csv-format parameter.
	(Trac #4291, git 398458f3ad4680fd5f3c032eb6c99d50c2981368)

1089.	[func]		marcin
	The Host class has been extended to store DHCP options to
	be assigned to a client.
	(Trac #3571, git 9d434f28cc4683eccbcca1ba0d1e45bceb5230d2)

1088.	[bug]		sar
	Always copy the DHCPv4 flags field from a client's request to the
	the server's response.
	(Trac #4292, git 8b7182abdc7ff47eb9b68451e7507b7e4b9872e0)

1087.	[bug]		fdupont
	Removed obsolete requirement of python3 by --enable-generate-docs
	configuration option.
	(Trac #4315, git 2c236316d5fbac9906cf48a6e4df1649e7545e67)

1086.	[bug]		marcin
	When lease-database configuration parameter is not
	specified the default lease database backend (memfile)
	is used.
	(Trac #3696, git 0be5e6eb32680a742ddcf427b8181f55c0c98115)

1085.	[func]		fdupont
	The following DHCPv4 options are now supported:
		nisplus-domain-name (64),
		nisplus-servers (65),
		mobile-ip-home-agent (68),
		smtp-server (69),
		pop-server (70),
		nntp-server (71),
		www-server (72),
		finger-server (73),
		irc-server (74),
		streettalk-server (75)
		streettalk-directory-assistance-server (76)
	(Trac #4286, git 5ed03ed5ea48334bbd16a9a8e1676f3b4cc730a0)

1084.	[bug]		jpopelka
	Added missing slashed in path_replacer.sh.
	(Github #10, git 8986813825623b19fb220534434d0c13785fc14c)

1083.	[func]		fdupont
	Added a concat function in classification which concatenates two
	strings.
	(Trac #4233, git eec10b436b928bd5eb3139c2f98ec9a6a818f30e)

1082.	[func]		fdupont
	Added Not, And and Or logical operators, parentheses around
	logical expressions and option[code].exist logical predicate
	(to check the presence of an empty option).
	(Trac #4231, git 8e01dbe2fe2d8c97f89c20f5bb1d03748a2432e0)

1081.	[func]		tomek
	Client classification in DHCPv4 has been enhanced. It is now
	possible to access relay sub-options using the expression
	relay[123].hex.
	(Trac #4264, git c13791e916ceae9a73ca44005581e0e39385a572)

1080.	[func]		marcin
	perfdhcp now accepts -f option for DHCPv4 server testing, which
	enables lease renewals at the specified rate.
	(Trac #4254, git 8c5630b9ce6d3fba224f0643a7c69e4f7aaefca7)

Kea 1.0.0 released on December 29, 2015

1079.	[bug]		jpopelka
	Fixed compilation issue in MySQL host data source: the
	dhcp_identifer_length is now unsigned long. This addresses
	a compilation problem on Fedora.
	(Github #17, git 8548d1b589df98cc956b4d80d2cb8819ef576717)

1078.	[bug]		fdupont
	Removed warnings emitted during generation of Doxygen documentation.
	(Trac #4234, git b67910a3893bc79eb77a48bae6c31214a317bd40)

1077.	[bug]		marcin
	Addressed regression in distcheck after merge of #4224.
	Before the changes one of the lease files produced by
	'kea-lfc' was not removed after tests running lease file
	cleanup. As a result, the distcheck failed discovering
	this file being left after distclean.
	(Trac #4249, git 04aa9b95bf8c4dd8b555dd78cc8cd57126473800)

1076.	[bug]		tmark
	This change bumps the MySQL schema version from 4.0 to 4.1 and includes
	the following changes: added explicit use of InnoDB engine to all MySQL
	table create statements,  MySQL lease dump output is now sorted by lease
	address in ascending order, and the MySQL lease_hwaddr_source table now
	contains an entry for HWADDR_SOURCE_UNKNOWN (i.e. source = 0). Our thanks
	to Sebastien Couture at Ubity Inc. for reporting the InnoDB engine issue
	and submitting a fix for it.
	(Github #16, Trac #4237,#4238, git f0fb9f35a394785215573a591c2bcc68ab481436)

1075.	[doc]		marcin
	Changed Kea license from ISC to Mozilla Public License,
	v. 2.0.
	(Trac #4236, git a0574cdab4deb31e3244fc4e237753a1ad361d96)

1074.	[bug]		marcin
	PID files created by Kea processes are used in shell based
	tests to determine if the given process is running. This
	solves the problem whereby some unrelated processes could
	be reported as running Kea processes in those tests, causing
	the tests to fail.
	(Trac #4224, git 94edccc50cb374ec4db35f653b869c9f06d356ea)

1073.	[doc]		tomek
	Developer's Guide updated with client classification text
	and several clean-ups.
	(Trac #4102, git ac33ebf7428ba5935d3302d000bed317716fabfe)

1072.	[bug]		tmark
	The lease6 hardware address source value is now being properly populated.
	Prior to this the value stored with each IPv6 lease was always zero.
	(Trac #4247, git 27886dadcf9051dc622ee6fde586c27f3d431f8b)

1071.	[func]		tmark
	Assigned unique log message IDs to log messages issued from
	MySQL hosts storage operations, eliminating resuse of
	lease database message IDs.
	(Trac #4216, git f0e37cd6d45537971a730c68187011dce41217cc)

1070.	[doc]		sar
	Correct v6 classification examples to use client-id (1) instead
	of server-id (2).
	(Trac #4222, git 69dd98d03861d9de72c2ef75c17c8154b0c5088b)

Kea 1.0.0-beta2 released on December 22, 2015

1069.	[bug]		tomek
	Improved handling of incoming packets with invalid client-id
	and DUID.
	(Trac #4206, git 2c94f80e30abe53ae5b677762fc69e888c92e03f)

1068.	[func]		marcin
	Renamed log message compiler binary from 'message' to
	'kea-msg-compiler'.
	(Trac #4228, git bbeb5c776c39b9f4132f7f614720db75590ccef9)

Kea 1.0.0-beta released on December 8, 2015

1067.	[doc]		sar
	Remove description of option[xx].text operator from classification
	until its use becomes clearer.
	(Trac #4218, git 22fe2bf889984078cd86c2a230a038632d21432c)

1066.	[func]		tomek
	Configuration parameters for setting up external hosts storage
	are now implemented. This feature is considered experimental
	for DHCPv4 and currently not really usable for DHCPv6.
	(Trac #3569, git 8896c9c3f77a7836d67e6c33943ac4892b851213)

1065.	[func]		fdupont,tomek
	The DHCPv4 server now stores Relay Agent Information option as
	the last one.
	(trac #4121, git 2f883d4afb9b27c6c59d993692370685b206b6c2)

1064.	[doc]		tmark
	Added Kea logo to documentation.
	(trac #3702, git 7cae813ffe9a7320db5c84ac4beb1c3c0ecabbf7)

1063.	[func]		marcin
	It is possible to disable writing generated DHCPv6 server
	identifier in a persistent storage. This also fixes a
	failing distcheck.
	(trac #4211, git d8f39b7aff9312237d4b6d6de39a7336a25ead4c)

1062.	[func]		marcin
	libeval: options may be referenced by their names in
	expressions used for client classification.
	(Trac #4204 git 38aebe9566e09daa30796df686cfdd6d0c43fa4d)

1061.	[func]		kalmus
	MySqlHostDataSource class implementation. It provides methods
	for adding and extracting Host objects to and from MySQL database.
	(Trac #3682, git 275b40fb941a6934c6434715184ae1c39f3fb3f2)

1060.	[func]		stephen
	Incremented KEA_HOOKS_VERSION to 3 for Kea 1.0.
	(Trac #4208, git bf6f3d495604942a395b51bbe4c37001b7541242)

1059.	[func]		nicolas
	The client packet is now passed as a new parameter "query4"
	to the pkt4_send hook point. Thanks to Nicolas Chaigneau from
	Capgemini for providing this patch.
	(Github #8, git )

1058.	[func]		tomek
	Two new hook points lease4_recover and lease6_recover have been
	implemented. They are called when a declined IPv4 or IPv6 lease
	concludes its probation period and is being recovered into
	usable state.
	(Trac #3988, 3989, git 1930797c48fee7f4006a33cecd6f08b05ae76725)

1057.	[func]		marcin
	It is now possible to specify type and value of a DUID used
	as DHCPv6 server identifier.
	(trac #3874, git faf52b069cf774d0050d76b4f47b542b2b5105f2)

1056.	[doc]		sar
	Added description of the expression based classification
	system to the Kea Admin Guide.
	(Trac #4101, git 3ec88e0669470ab406c45d50d0f853f9aeb3bf04)

1055.	[func]		fdupont
	Classify match expressions are evaluated on incoming packets and
	requested options are appended when configured by the subnet, a
	class or globally.
	(Trac #4097, git 752ad11ff4ebe97ec27d098aff706d1999900346)

1054.	[func]		tmark
	Replaced underscores, "_", with hyphens "-", in the parameter
	names used in the kea-ddns server's configuration as well as
	those in the DDNS messages (NCRs) sent to the server. For
	example, "ip_address" is now "ip-address", "change_type" is
	now "change-type".  This makes JSON element naming consistent
	throughout Kea.
	(Trac #4202, git 91bf527662060d4b1e294cd53e79b431edf0e910)

1053.	[doc]		tomek
	Support for DHCPDECLINE (v4) and DECLINE (v6) messages is
	now described in the Kea User's Guide.
	(Trac #3990, git 6b0db91610420f3cce55d9f887d7c73660ece209)

1052.	[func]		marcin
	libeval: expressions involving options can now use textual or
	hexadecimal format of the options.
	(Trac #4093, git 4cdf0fff1067b3dde6570dc6831e8b1343bc50fe)

1051.	[func]		tmark
	kea-dhcp4 and kea-dhcp6 configuration parsing now supports
	the "client-classes" element for defining client classes.
	(Trac #4096, git d21fd6925983eb20f82029e3866652398ea5e5fe)

1050.	[doc]		tmark
	Corrected the descriptions of ncr-protocol and ncr-format parameters
	in the Kea Admin Guide.
	(Trac #4117, git 034c1c95b57768d5abbc7fb40cc57d7cadad21dd)

1049.	[build]		fdupont
	Add a new --enable-generate-parser configuration parameter
	(disabled by default) which makes flex and bison to regenerate
	parser files.
	(trac #4125, git 18321bf85f93b24d720f1ab2d90b4f4da85bc471)

1048.	[func]		fdupont,tomek
	Implement expression parser for client classification.
	(Trac #4088, git ac9eb312bfd1c6bf22a868ad789a0c049f33f637)

1047.	[func]*		stephen
	Change the way that hooks libraries are defined in the configuration
	file in preparation for allowing the specification of library-specific
	parameters in a future version of Kea.
	(Trac #3259, git b2986b0b0299e691b13123922129bdbf8575afdb)

1046.	[func]		tmark
	Upon startup Kea servers will now detect memfile lease files
	that need upgrading, and will launch in instance of the LFC
	to convert them to the most current memfile schema version.
	(Trac #3601, git ce4b0e42e8a01bbf3b58fdb1f505bbd6e2fad134)

1045.	[func]		tmark
	Added classes for storing client class definitions to libdhcpsrv.
	(Trac #4095, git 1039a942450e2a45a1e1aa9924cae4fdbd1541fe)

1044.	[build]		fdupont
	With the addition of a background thread for timeouts, ensure that
	the configuration and process spawning code are thread safe.
	(Trac #4060, git 4c130bd7c8d0eb97966e9821bab491bca5321b6c)

1043.	[func]		fdupont
	Implemented support for hex strings in client classification.
	(Trac #4091, git 406153af95404adb96296df09ec6033b484586e3)

1042.	[doc]		fdupont
	User Guide: parameters having default values may be omitted in the
	option definitions.
	(Trac #3927, git c7460e849258ec77cf1215a2baf840d98f1ab77b)

1041.	[func]		tomek
	A new library, libkea-eval has been added. It is not functional
	yet, but its purpose is to provide a generic expression
	evaluations that will be used in the upcoming client classification.
	(Trac #4081, git 28d818a26a5d128e8a51d62b68c0cc817e6e2415)

1040.	[func]		tmark
	When kea servers lose connectivity with MySQL or PostgreSQL backends
	they will log an error message and exit with an exit value of 255.
	(Trac #3780, git cf94e99698e1d8a1613026bda5e4fc9bb4a68d74)

1039.	[doc]		marcin
	Configuration parameters pertaining to processing expired
	leases by the DHCPv4 and DHCPv6 server have been documented.
	(Trac #3979, git a2ee99ba313e54a9dcf8a09ed118dbfe612e3d55)

1038.	[func]*		marcin
	DHCPv4 and DHCPv6 servers reclaim expired leases before they
	are re-assigned.
	(Trac #3977, git 5880e706cb27c19b1b70296ccd8d96e38e82027b)

1037.	[func]		fdupont
	Added a new 'leases-reclaim' command which reclaims expired leases
	immediately.
	(Trac #3978, git 9d5716e5bd6b151d90591f8497bae689321875c2)

1036.	[func]		tmark
	kea-admin now supports upgrading from Postgres schema version
	1.0 to 2.0.  Schema 2.0 includes support for lease expiration
	and reclamation.
	(Trac #3969, git 8fde70c1b63b5a2646688290b1d0cf53f4c964ad)

1035.	[doc]		fdupont
	Modified documentation of DHCP options to show internal format
	of records.
	(Trac #4071, git c5cffe74ac1bd38e4870ff1c22c36febb46e8c27))

1034.	[func]		fdupont
	Add support for DHCPv4 subnet selection option.
	(Trac #4058, git b7072884e8ce74dc64cd74e101d81e5c0763f492)

1033.	[bug]		stephen
	Updated OutputBuffer class to address warnings from Coverity.
	(Trac #3443, git 4bf0a14aa7a1303ed6959127c5354687e9f222ba)

1032.	[func]		marcin
	PostgreSQL lease database backend has been extended with new
	functions to obtain expired leases and to delete expired
	reclaimed leases.
	(Trac #3968, git 0bc02588d8553ba9a4fc749115a3e370407d7287)

1031.	[build]		fdupont
	Rewrote the system_messages tool from Python to C++.
	(Trac #3516, git a8195310c641027d1822344cafad64e6f695d614)

1030.	[bug]		marcin
	Fixed failing 'reclaimExpiredLeasesTimeout' unit tests on
	some virtual machines.
	(Trac #4075, git c3a2487f53ecf69edc0a38f574fce17c4332162c)

1029.	[func]		tomek
	A new hook point lease6_decline has been added. It is called when
	the DHCPv6 server is about to decline a lease as a result of
	processing incoming DECLINE message.
	(Trac #3986, git b6e3f1bbe3595aeba769d627d571e2eeee38a397)

1028.	[func]		marcin
	Expired leases are processed periodically according to the
	server configuration.
	(Trac #3975, git 3bd8891c0b9cb7dc504fa69251610996775cefbf)

1027.	[func]		tomek
	Expired declined IPv6 leases can now be reclaimed (returned to the
	available pool) after probation	period elapses.
	(Trac #3985, git 9aadfa902d898ce1f52b773152a5b34519a9a9fe)

1026.	[doc]		stephen
	Added documentation for the kea-dhcp4.commands and
	kea-dhcp6.commands loggers.
	(Trac #3952, git 3eb5d3185683e05494c1d84ed7195627fce4b6c1)

1025.	[func]		tomek
	A new hook point lease4_decline has been added. It is called when
	the DHCPv4 server is about to decline a lease as a result of
	processing incoming DHCPDECLINE message.
	(Trac #3986, git 39bde93fe25e4aff52623d4df7fd55c64e0a9c21)

1024.	[func]*		tomek
	Boolean Skip flag in Hooks API has been replaced by enum status.
	This is backward incompatible change if you developed hook
	library that takes advantage of the skip flag. See Hooks
	Developer Guide for easy steps necessary for migration.
	(Trac #3499, git 99ca398d4d042a098b5c491368733220db8cdd08)

1023.	[func]		tmark
	kea-admin now supports upgrading from MySQL schema version 3.0
	to 4.0.  In addition, the lease6 data dump now contains the
	text label for lease_hwaddr_source column rather than its
	numeric value.
	(Trac #3967, git 2e13ac3b0b278faabe338b00ffee8259c13f5342)

1022.	[func]		fdupont
	Added support for the V4 link selection sub-option (RFC 3527).  If
	present in an incoming packet, the server will allocate an address
	in the subnet identified in the option. If this is impossible, no
	address will be allocated and the request refused.
	(Trac #4057, git 8c02cec5ec8e311a9d23fd582d8e9e8647667abb)

1021.	[bug]		stephen
	Added missing address parameter to ALLOC_ENGINE_V4_REQUEST_OUT_OF_POOL
	message.
	(Trac #3996, git 680233550747209a1707e8f920179479b980aa2a)

1020.	[func]		kalmus
	A general purpose base class for MySQL connection has been
	implemented.
	(Trac #3681, git 884d8bb4a55d3d7b1b8f3f01efb312bd8dec399b)

1019.	[func]		marcin
	Added new configuration parameters controlling processing of the
	expired leases in the DHCPv4 and DHCPv6 server.
	(Trac #3974, git c998d36c40cc46ffe9f888e615bbcfa0a311d40d)

1018.   [func]		sar
	Added support for several options for use by PXE.
	From RFC4578 (for DHCPv4) these are: 93 - client-system,
	94 - client-ndi, 97 - uuid-guid.
	From RFC5970 (for DHCPv6) these are: 59 - bootfile-url,
	60 - bootfile-param, 61 - client-arch-type, 62 - nii.
	(Trac #3576, git fdcc73afe7e26bd427817fd771567b1c44713b06)

1017.	[func]		tmark
	Lease dump SQL logic, used by kea-admin, is now supplied via stored
	procedures rather than external text files.  Files of the form
	lease_dump_<version>.sh will no longer be installed under
	<prefix>/share/kea/scripts.
	(Trac #3916, git 09cdd86a5e284250d7657a93a36df2e2705947d2)

1016.	[bug]		fdupont
	Fixed problems when --enable-static-link is specified as a
	"configure" option. With this switch present, all Kea
	executables (servers, tools, unit tests, etc) are linked
	to the static (vs. shared) version of Kea libraries.
	However, note that they can still be linked to dynamic
	system libraries.
	(Trac #4004, git 760a343efbd241f5ed333cfff088124378f69115)

1015.	[func]		tomek
	Expired declined leases can now be reclaimed (returned to the
	available pool) after probation	period elapses.
	(Trac #3984, #3976, git 32a8ec68e0e5ea93991915812158d7628d2b4709)

1014.	[func]		marcin
	Implemented lease4_expire and lease6_expire hooks in libdhcpsrv.
	(Trac #3972, git 8a8547aec1caf2a8d1c7ca206f68534f3c03f1d9)

1013.	[func]		marcin
	New mechanism for scheduling lease file cleanup is used in the
	DHCPv4 and DHCPv6 servers.
	(Trac #3971, git 431d515fc3d64aa82369c8eaf48d03339f12dc69)

1012.	[bug]		stephen
	Replace #include of message_dictionary.h in message_initializer.h
	with a declaration of the MessageDictionary class, avoiding the need
	to include message_dictionary.h in the set of header files installed.
	(Trac #4046, git 9f1801b4326f62632a7c9f0aa939d58f120c10e8)

1011.	[func]		fdupont
	Added definitions and tests for the options from secure DHCPv6.
	This protocol is still experimental. The option and other protocol
	codes are for testing, they will be updated when IANA assigns
	official values.
	(Trac #4015, git 95f8c0d0af45807c1f303b9bbbb08f82b3bfc343)

1010.	[bug]		tmark
	Fixed test failures occurring for some tests after
	IfaceMgr::closeSockets was called.
	(Trac #4067, git 9161867dc6a354659ae8b5115ee437ec76c1771e)

1009.	[bug]		fdupont
	Now libutil blocks all signals when creating a new thread
	(so signals are delivered only to the main thread).
	(Trac #4065, git a4a8e422e613e4378f0a0641e4c480b73d67ebeb)

1008.	[build]		fdupont
	Removed the included header-only ASIO code.  Kea is now built
	against the installed copy of Boost.  The build by default
	attempts to use the header-only error code (ASIO dependency), but
	may also use the version in the boost system library.  The
	location of this library can be specified.
	(Trac #4009, git 8c293bc0d1804a512964621f114e64fcba0abcb9)

1007.	[func]		tomek
	DECLINE message in DHCPv6 is now supported. The server is able
	to receive it, check its correctness and move the lease to
	DECLINED state. Currently there is no way to recover the lease
	before 'decline-probation-period' time.
	(Trac #3982, git 11e2c4366d8624601172c01e95cff6a8b95833b3)

1006.	[bug]		marcin
	Fixed issues with threads concurrency in the TimerMgr.
	(Trac #4047, git 48297af6e0443808a482536b61436a42bc6a5b38)

1005.	[func]		tomek
	DHCPDECLINE message in DHCPv4 is now supported. The server is able
	to receive it, check its correctness and move the lease to
	DECLINED state. Currently there is no way to recover the lease
	before 'decline-probation-period' time.
	(Trac #3981, git c14a63c0d3a56ea3e880e874f854adc0077de75e)

1004.	[bug]		fdupont
	Incoming Confirm, Rebind and Information-Request messages are
	now more thoroughly checked against presence of client-id
	and server-id options.
	(Trac #3773, git fd2889b9de45e2822b6713663bee06b75259c6dc)

1003.	[build]		fdupont
	Updated Makefiles to ensure that all required dynamic libraries
	are included in the link command line as some systems are unable
	handle implied library dependencies.
	(Trac #3911, git 4d13f5234da33df03c0989829a0e1c1056e53a4e)

1002.	[func]		marcin
	MySQL lease database backend has been extended with new
	functions to obtain expired leases and to delete expired
	reclaimed leases.
	(Trac #3966, git 419832a6279c70b5db04b1cab10737e31f2c99f9)

1001.	[build]		fdupont
	Fixed critical C++ issues in the Kea code. This does not cover
	auto_ptr warnings (just ignore them) or the gtest 1.7.0 bug with
	EXPECT_TRUE() and ASSERT_TRUE() macros (we recommend to download
	last subversion sources at http://googletest.googlecode.com/svn/trunk
	and use the --with-gtest-source configuration argument when
	you'd like to build unit tests).
	(Trac #4024, git 55afd98fead0c16bb81107dfc1a5f49a5e295aa6)

1000.	[func]		marcin
	Implemented Timer Manager which holds the pool of interval
	timers used by the DHCP servers.
	(Trac #3970, git bc8503055338da36d07a2b67c64087f645c9a9e3)

999.	[func]*		tmark
	The DHCPv4 server will now honor DHCPRELEASEs for leased addresses
	which cannot be matched to subnet.  This allows leases to be
	released after configuration changes have eliminated their subnet.
	Prior to this the server would reject the release and emit a
	DHCP4_RELEASE_FAIL_NO_SUBNET log message.
	(Trac #2615, git eeebf9f68cf5be6a0f7eefc78832d664361c4990)

998.	[func]		tomek
	'decline-probation-period' parameter has been added to DHCPv4
	and DHCPv6 configuration. It can be configured, but is not yet
	used, as the DECLINE message support is still pending implementation.
	(Trac #3983, git 6b10d119c89685476335f268181c9982f6fa6161)

997.	[build]		jreed
	Removed obsolete Python coverage build options.
	(Trac #3483, git a08cbbecbd3b11d0b73f68a40986a353b22ed3be)

996.	[func]		marcin
	Memfile lease database backend has been extended with new
	functions to obtain expired leases and to delete expired
	reclaimed leases.
	(Trac #3965, git dd5b95453528416f22e961e6ebb3051bc2ae788c)

995.	[build]		fdupont
	Removed additional files left over from BIND 10 (headers,
	src/lib/{asiodns,testutils,asiolink}).
	(Trac #40{28,29,31}, git 78ff0fb0a97731a8b3c055b1cbb4faebcd115f7c)

994.	[func]*		marcin
	DHCPv6 server fully supports RFC 7550.
	(Trac #3947, git c06ab97a4e068c4b4b11f4685c56dd402b2385dc)

993.	[bug]		fdupont
	The logging spec file was searched in the build tree when it
	was in the source tree so distcheck (where they differ) failed.
	(Trac #4026, git 5eb213647d7ac0a707530d57af2c6dbd725ac1b3)

992.	[func]		fdupont
	A 'flush' parameter has been added to logging configuration. It is
	now possible to disable automatic immediate flushing to achieve
	better logging performance.
	(Trac #3752, git 16c4c2b6d95c45864ec3e2b27e0d320e386b2c0b)

991.	[build]		fdupont
	Removed partial function template ordering macros to allow Kea to
	build with Boost 1.59 and later.  Also removed some
	compiler-dependent code.
	(Trac #4006, git e06934f211436eea37439128ff6f388709f01101)

990.	[bug]		tomek
	Improved child process signal handling. Improved number of
	exception handling routines in DHCPv4 and DHCPv6.
	(Trac #4000, git bf5e48f2cf80b5263cc89f445795bc8c5b8f011d)

Kea 0.9.2 released on July 28, 2015

989.	[bug]		tmark
	Fixed a bug in both DHCPv4 and DHCPv6 servers that could cause
	them to crash during sever shutdown when DNS updates are enabled.
	(Trac #3997, git ce91bdd78f420f64324c573a952ec804bc25e0d8)

988.	[bug]		fdupont
	keactrl no longer returns an error when the "status" command is
	issued and the Kea configuration file doesn't exist.
	(Trac #3785, git a27d72ef3cb7640a41dca26c8728a9cbd9ad1ca9)

987.	[bug]		marcin
	Fixed textual representation of the options containing an array
	of 1 byte long unsigned numbers.
	(Trac #3959, git 9045fd9d6d282184cce10a622c0108abab029d5b)

986.	[bug]		marcin
	Fixed the failing lease allocation from the large address and
	prefix pools.
	(Trac #3958, git c86b6a68725e2f57679598ff4890fc82f4482c20)

985.	[bug]		marcin
	Eliminated extraneous debug-level DHCP6_RESPONSE_DATA entry from the
	DHCPv6 server log output.  Prior to this the server was logging
	each response twice.
	(Trac #3949, git 023973cbce44e5fb92a2bc45e69f2786d5152091)

984.	[bug]		tmark
	Replaced used of "kill -0" with "ps -p" in keactrl when
	checking of servers are alive.  This makes it possible for
	non-root users to use keactrl to monitor server status.
	(Trac #3954, git f7f22b244343a3dc2d06645a47c2c65a5134326e)

983.	[bug]		fdupont
	Enforce numeric month values in Posix date printing.
	(Trac #3944, git fdbe74b0235055057a37c6ce2b0aaf88f0cc7891)

982.	[bug]		marcin
	Fixed the typo in the name of the D2 logger.
	(Trac #3951, git 92305b2a1774df1cf1bdfeb93d787fea0ab27f74)

981.	[bug]		tmark
	keactrl now uses PID files to identify and control server instances.
	Prior to this it relied on the system command, "ps", which could lead
	to it misinterpreting which processes are or are not running.
	(Trac #3939, git 93a720ed7ffdffe66bd835cd64f78e4ad601637a)

980.	[doc]		marcin
	Updated Developer's Guide.
	(Trac #3484, git 220c337c31a592311363eca981c7f1578abbe15d)

979.	[bug]		fdupont
	Fixed two cases of public variables in a base class being
	hidden by variables in a derived class.
	(Trac #3920, git bd42a66fb67aab3fe397523c6fdbf14a939587c8)

978.	[func]		tmark
	DHCPv4, DHCPv6, and DHCP_DDNS now all create PID files upon
	startup.  The PID file pathname is formed from:
		<localstatedir>/<conf name>.<binary-name>.pid
	If a server's PID file exists and contains the PID of a
	live process, it will emit a log message and exit.
	(Trac #3769, git cdce632add025aaadbcdc89078f5bd3e19cfb5ca)

977.	[doc]		tomek
	Frequently Asked Questions section added to the Kea User's Guide.
	(Trac