Change resource from TestLM to loudgame
Add say and whisper commands for chatting.
Add loudgame_broadcast and a simple hash table to announce new users to each other.
Move code from loudgame_run to new loudgame_fini for clarity
Don't try to close connection if it's never been opened
Add a call to lm_connection_set_keep_alive_rate Without this, the jabber server would stop talking to us after a while, and that's obviously no fun.
Implement simple show, hint, and shuffle commands for lg-set. It's very close to playable now!
Share loudgame_send code to reduce duplication.
Separate common code into loudgame.c and demonstrate with separate lg-test and lg-echo programs