GitLab

  on events

- Tweak on so more than one type of event can be set at once.

- Prototype all the new stuff.

- Add support for null, defined and variable reference expressions.

Add support for DNS return codes.   Add support for null, defined and variable reference expressions.   Support switch, case, default, set.

- Allow more than one type in a single on statement.

- Document some options that were missing.
- Fix vendor-specific option documentation.

- Have place in lease for failover params even if FAILOVER_PROTOCOL is not
  defined.

- Correct erroneous class example.

- Support new hardware struct.
- Prototype new DNS functions and some new failover functions.

- New struct hardware support.

- Add lots of new tokens for failover and for new DNS support.