v0.8

Converter

• Add support for joint/bone parents
• Add support for PANDA3D_physics_collision_shapes extension (includes new intangible setting)
• Fix errors when using double-precision builds of Panda3D
• Fix ZeroDivisionError when loading single-frame animations
• Fix loading meshes with no indices
• Fix loading model tangents on Z-up files
• Fix generating tangents on Z-up files
• Fix the sign on generated bi-tangents