Renamed constants module
Small cleanup, Added Save New Level dialog attributes,

Remove level name display when new level is created after a level is
opened
Tagging Blocks 0.9.1

Added new script dividers,
Fixed error with being unable to save a new level if a level was
previously opened,
Added batch script to launch Blocks for Windows,
Created script to write various files for Blocks for Windows,
Updated `setup.py` with possibly better cross-platform compatibility