#35 Pieces (including custom pieces) can now promote to any other piece (including custom pieces). I also separated black and white promotion maps so each can have a different promotion rule set (especially useful if b/w have different objectives). Objective pieces are not allowed to promote, and any existing promotion entries (when objective changes) are discarded.
#35 Fixed the custom piece images back up
Removed debugging printout
Merge pull request #133 from awolfe9/CustomPromotions

#35 Pieces (including custom pieces) can now promote to any other piece ...