Added comments for events handlers and chathistory_request_count.
Added comments for events handlers and chathistory_request_count.

iwalkalone69/kiwiirc,iwalkalone69/kiwiirc,kiwiirc/kiwiirc,kiwiirc/kiwiirc,kiwiirc/kiwiirc,ItsOnlyBinary/kiwiirc,ItsOnlyBinary/kiwiirc,iwalkalone69/kiwiirc,ItsOnlyBinary/kiwiirc