Restart bug fixed (missing welcome msg); Removed labyrinth Drawing on Console from Update(), removed player symbol added to GameBoard in Update(); CheckIfAnyExit() optimization and bugs fixed; CheckifAnyExit() Unit tests.
Merge pull request #22 from Enlightment/master

Update() no longer Draws, neighter adds Player symbol to Labyrinth; Fixed bug on restart, Optimized Labyrinth validation in factory