- Added Dr Solomat's TEMPEST expansion
- Added Sacrifice as part of the cost of activated abilities. Making it work as an extra cost for "put in play" still requires some work though. "Render" methods need to be written correctly
- Added cards with sacrifice in the existing sets. Most of them need testing...
- display the thumbnail as a "shadow" over the text version of the card if the big picture is not available
- fixed a bug with circles of protection, although graphically it is difficult to understand what's going on when using those cards
- fixed a bug with a card in Ice age