- Implemented all command hooks.
- Implemented several field hooks.
- Implemented several task hooks.
- Reorganized event validation code.
- Finalized Hooks -> API::call* mechanism.
- Implemented several hook unit tests.
- Corrected unit tests that didn't specify rc.hooks=on.
- Corrected builds that include Lua.
- Now supports 'task config name value', 'task config name ""', and
'task config name' to directly modify the .taskrc file.
- Updated man page.
- Added unit tests.
- Modified existing config command to also display configuration
variables that have no values.