SkinPlusPlus v0.4.0

What's Changed

• Maya backend - now handles SkinData with varying influence size, order and values. by @munkybutt 82cdd79
• Maya backend - now adds missing bones by @munkybutt in #3
• Max backend - fixed a number of edge case crashes by @munkybutt ad48830
• Added initial io between 3ds max and maya. added skin_plus_plus.io.max_to_maya and skin_plus_plus.iomaya_to_max which save a skin data file named after the selected objects, either pickle or json, in a _Data folder in the root of the current file name. by @munkybutt in #4

Full Changelog: v0.3.0...v0.4.0