Resource Tiles renamed to Terrain Tiles to match the domain more closely
RollDie doesn't make sense. (RollDie a Die vs. Roll a Die); CreateAndGet can be shortened to Create as it is a convention that Create returns the created object.
Strongly typing terrains. Utilizing the power of LINQ (lambda expressions) to simplify coding. Fix to only randomize a set number of each terrain.
Merge pull request #2 from longility/refactor-rename

Refactor rename
Merge pull request #3 from longility/bugfix-randomize-tiles

Bugfix randomize tiles