Merge pull request #488 from jw013/master

Stop Web Export/Import from showing error for Cancel.
fixes PlayerWindow updating issues (#485)
fixes game discarding when "include obtained" options is checked
replaced PowerCountThreshold with "tag=CURRENT_PLAYER" and "END_TURN" for turn detection (#470),

added player/opponent name detection (included in stats table)
added one time hero verification when games are loaded in stats (#479)