Test::Prereqs

	modified:   dist.ini
Add Role::Connector, significant cleanups

 - kill unneeded predicates/writers
   (most of these were a poor idea in the first place)
 - move common Connector/Listener bits to Role::Connector
   (with cleanups)
 - readd POD coverage tests

	modified:   dist.ini
	modified:   lib/POEx/IRC/Backend/Connect.pm
	modified:   lib/POEx/IRC/Backend/Connector.pm
	modified:   lib/POEx/IRC/Backend/Listener.pm
	new file:   lib/POEx/IRC/Backend/Role/Connector.pm
	modified:   lib/POEx/IRC/Backend/_Util.pm