PixPhys Pre-Alpha 0.3

Change log

Added:

1. New props.
2. Worlds saving system (Press Ctrl+S to save).
3. Normal maps.
4. Destructible props.
5. ?

Changed:

1. Mods are now stored in PixPhys/PixPhys_Data/Mods/
2. Use the right mouse button to remove pixels.
3. Updated interface.
4. Bug fixes.