My initial port of this wasn't great, this is much better.
Testing Done:
sent messages between pidgin2 with gkdr/carbons, conversations on my phone, and pidgin3. I sent messages from all clients and received them on all three clients.
Reviewed at https://reviews.imfreedom.org/r/462/
# UPDATING VERSION NUMBERS FOR RELEASES
#
# The version number is:
# <major>.<minor>.<micro><extra>
#
# micro += 1
#
# If any functions have been added to libpurple, Pidgin, or Finch:
# micro = 0
# minor += 1
#
# If backwards compatibility has been broken in libpurple, Pidgin, or Finch:
# micro = 0
# minor = 0
# major += 1
# purple_soversion += 1
#
# extra should be similar to one of the following: