CraftIRC/CraftIRC3 — pull request #38 by BranicYeti (2013-02-05 12:22:15+00:00)
Title: setAutoSplitMessage(true)

Should in theory allow messages that are too long to be sent. Good for things like the plugins command. Looking at the source, it looks to be true by default but for some reason messages that are too long get cut off.