Alpha v0.0.3.1

Fixed Bugs:

Hover stone marker cause the last move marker to deactivate.

Players could go out of bounds forever. Changed to send players to spawn if they get out of bounds.

Username could only take 8 characters.

The back button on the join room scene didn't work.

Features:

There is now a zoom in and zoom out feature for the camera when it is above the goban.

There is a time out feature so players cannot leave the game open and logged in forever.