2.2.0

• WindowConfig now supports overriding the default arugment parser.
  A classmethod add_arguments can be implemented to add additional
  arguments. The parsed arguments are available in self.argv
• Added in Scene.draw_wireframe rendering a scene in wire frame mode
• Scene.draw_bbox now support passing in a color
• Scene should now have better support for all the vertex formats
  wavefront/obj files may have.
• Added WindowConfig.clear_color attribute so uses can control the
  clear color of the screen. The value can be set to None to
  disable screen clearing (@Leterax)
• Added OrbitCamera (@Leterax)
• Allow setting camera rotation (@Leterax)
• VAO should now give better feedback if the buffers and program
  attributes are not compatible
• ModernGLRenderer (imgui renderer) should not rely on moderngl-window (@minuJeong)
• Scene should now cache default shaders internally so they are not loaded
  for every scene
• Several typos in docs (@dawid-januszkiewicz)
• WindowConfig.load_compute_shader missing in docs
• Bumped pygame to 2.0.0.dev10

Thanks to @Leterax, @minuJeong and @dawid-januszkiewicz for the contributions to this release
and @mtbouchard for input on WindowConfig and Scene changes.