Merge pull request #29 from rexim/master

Fixed SlashParsers
Pet: fixed the DB table detection (now it really tries to detect table instead of just "return false").
Forbid to replace empty string.
Add optional length parameter to the "say" command.
Fresh platonus library.
Vader mode.
Drop unused networks from cache.
Stopping the LogParser after parsing.
Reformat the sources.
Start unifying plugin interface.
Fix warning.
Change token descriptor collection type to List.
Implement CommandDefinition mapping.