Ensure that BMGame->optRequestArrayArray is cleared, even when the round ends in a tie
Merge remote-tracking branch 'upstream/master' into 848_optRequest_clear

Manually resolved conflicts in:
	src/engine/BMGame.php
Merge pull request #850 from blackshadowshade/848_optRequest_clear

Ensure that BMGame->optRequestArrayArray is cleared, even for drawn rounds