fixed up get players by group
fixed up get players by group

ARISGames/server,tl-its-umich-edu/ARISGames-server,ARISGames/server,tl-its-umich-edu/ARISGames-server,tl-its-umich-edu/ARISGames-server,ARISGames/server,tl-its-umich-edu/ARISGames-server,ARISGames/server