Chat userlist logging for inital joining of chats. Doesn't work because the
chat-joined signal fires before libpurple gets the userlist. Still thinking
about how to fix it.
#
# pidgin_major_ver and pidgin_minor_ver should be defined to match the minimum
# Pidgin API version _required_ to build Plugin Pack
# Due to the way Pidgin checks plugin versions, we need to also ensure that
# the correct minimum version of Pidgin is Require:'d based on what version of