Cleanups
De-smartmatchify RDB plugin

	modified:   Bot/Cobalt/Plugin/RDB.pm
Eliminate when() -- needs testing

	modified:   lib/Bot/Cobalt/IRC.pm
	modified:   lib/Bot/Cobalt/Plugin/Auth.pm
	modified:   lib/Bot/Cobalt/Plugin/Extras/DNS.pm
	modified:   lib/Bot/Cobalt/Plugin/Extras/TempConv.pm
	modified:   lib/Bot/Cobalt/Plugin/Seen.pm
	modified:   lib/Bot/Cobalt/Plugin/Version.pm