ISupport; document ->elist()

	modified:   lib/IRC/Toolkit/ISupport.pm
Add extban()

	modified:   lib/IRC/Toolkit/ISupport.pm
	modified:   t/02_util/isupport.t
Merge branch 'extban'

* extban:
  Add extban()
v0.073000

  Add ELIST, EXTBAN, and TARGMAX support to ISupport parser