THBIdentity: RevealIdentity accidentally removed, add back.
incr ver, welcome msg.
THBRaid: MutantMorph forgets LifeLost
incr ver, welcome msg.
Kaguya: Dilemma bug fix.
Merge branch 'staging' of git://github.com/feisuzhu/thbattle into bugfix

Conflicts:
	src/gamepack/thb/actions.py
	src/gamepack/thb/thbidentity.py
remove class dummy
rename execution area & DropUsedCard with kaguya