Fixed - Use uninstall code to uninstall before install command
0.0.11
Fixed - Accept 4 as valid Blender version on win - Cleaned up a bunch of stuff
0.0.10
Fixed - Accept 4 as a valid Blender version
0.0.9
Modified - `b3denv blender` and `b3denv bpy` have become `b3denv print blender` and `b3denv print python` - `b3denv blender` and `b3denv python` now run their respective executables with no arguments (all other arguments are passed directly to those executables)