Implemented Undertaker
Implemented Wailing Soul
Formatting fixes
fix UI arrow key handling (OSX only?)

curses.wrapper calls keypad(1) on the window it creates, but windows
created with derwin() don’t inherit this setting, causing getch() to
return escape sequences for arrow keys.  (Possibly OSX specific.)
Merge pull request #48 from pkappler/master

fix UI arrow key handling (OSX only?)
Implemented Zombie Chow

Also fixed some bugs related to Auchenai Soulpriest
Implemented Dark Cultist
Implemented Stalagg and Feugen.

Also implemented a graveyard which keeps track of dead minions (but not dead cards)
Implemented Mad Scientist
Merge pull request #4 from danielyule/master

Merge