Tangent Space Conversions

Functions to convert Vectors from or to Tangent Space, which is not directly available in Blender by default.
Included are conversions with World and Object Space.

• Vector - Input vector to convert from the input space to the output space (e.g. "World to Tangent" would interpret the vector as world space and return its tangent space equivalent)
• Uniform Direction - Flips the handedness of the space for back faces, so that both sides of a face are identical