Merge pull request #42 from Minalien/master

Units now appear in overworld.
Merge pull request #43 from Minalien/master

Added unit prefabs & textures.
Merge pull request #44 from Minalien/master

Fixed movement bug where adjacent units were unable to attack each other...
Merge pull request #45 from Minalien/master

Added Archer.
Merge pull request #46 from Minalien/master

Fixed grids in Levels 3-5. Fixed issue causing division by zero.
I fixed the fence.
Merge pull request #47 from AlexReiss/master

I fixed the fence.