Fixes to sunwell and minor improvements

hm_sunwell/examples/carddata

@@ -0,0 +1 @@
+{"cost":7,"type":"SPELL","texture":"CS2_032","id":"CS2_032","text":"Deal $4 damage to all enemy minions.","name":"Flamestrike","rarity":"FREE",      "artist":"Zoltan Boros",      "set":"CORE",      "flavor":"asdf",      "playRequirements":{"REQ_TARGET_TO_PLAY":0,"REQ_MINION_TARGET":0},      "collectible":true,      "playerClass":"NEUTRAL",      "howToEarnGolden":"Unlocked at Level 45.",      "howToEarn":"Unlocked at Level 1."  }