Backported isOP NPE fix from v1.5.0 and fixed Twitch's case sensitive channel names.
Reverted fix from just now partly and added a better one.
Revert some more changes for now and possibly fixed another bug.
Merge branch 'mc164'

Conflicts:
	public.properties
	src/blay09/mods/eirairc/config/ServerConfig.java
Changed default chat target to "Minecraft only" and released v1.4.3b for Minecraft 1.6.4.
Merge branch 'master' into v1.5.0