3.1.1

This release patches few errors in the BBMOD GML library.

Changelog:

GML API:

Core module:

• Moved interface BBMOD_IRenderable from the Renderer module to the Core module.
• Fixed return value of BBMOD_Material.submit_queue, which should have been self, but the method did not return anything.
• Fixed methods Reflect of BBMOD_Vec2, BBMOD_Vec3 and BBMOD_Vec4, which returned incorrect results.