Merge pull request #5 from definetlynotadog/screen_to_world_pos

ScreenToWorld position implementation for both scaling modes

Update README.md

Create LICENSE

Added button to enable and disable PC2D

Added feature to offset pixels in odd resolutions

Update README.md

Added demo explanation.

Added documentation and cleaned up code.

Added namespaces and removed old code.

Added prefabs and demo tweaks.

Update README.md

Move cameras and some comments.

Added README.md

First commit