Merge pull request #13 from warriordog/master

Fix crash when saving level on Windows; New texture for dirt and grass; Add GlassBlock; Easier texture index use in code; Fix issues detected by IDE Code Analysis
Added note to look at Issues
Added getName method to Block
Added dirt block (to fix stacked grass weirdness in the future)

Added getName() method to blocks to return the name of that block
Merge pull request #17 from Cactose/master

+Dirt Block + getName() method in Block class
Merge pull request #1 from es92/master

Merge changes from source repo.