Cleanups, State->channel_user_list

	modified:   Changes
	new file:   README.mkdn
	modified:   dist.ini
	modified:   lib/POEx/IRC/Client/Heavy/State.pm
	modified:   lib/POEx/IRC/Client/Heavy/State/Channel.pm
	modified:   lib/POEx/IRC/Client/Heavy/State/Topic.pm
	modified:   lib/POEx/IRC/Client/Heavy/State/User.pm