first commit.
updated player-x functions and defcommands.

the defcommands should now report an input error rather than advancing
the game state when input is defective.
working.
bugs that need fixing noted.
deleted old FIXME note.
changed game-over-p to trigger if (<= (length (allin-or-folded)) 1).

This is needed to catch the case where all but one player is allin.
reset *hand-number* at the end of a game.
when the game is over call reset-holdem.
noted bug fix.
note on bugfix
revised FIXME
bugfix: hand evaluation of pairs.

KK vs AA was not getting ranked properly because the difference in
  the major-pair-factor was too small.

 <pythagoras> Comm
  Cards: (8d 5c Jh Kh As) <pythagoras> skalawag has been called and
  shows: (Ah Th) <pythagoras> *Winner*: fyv holding (As Kh Jh 8d
  Ks) (PAIR).
added bugfix note
updates for plugins
mismatched parens fixed
allin-bug fixed.
don't allow a player to move allin when he should just call.
tidying up
deleted testing function
eliminated unnecessary function