Fixed bug: VMD importer: Calculation to convert bone location is incorrect.
Added light source motion import.
Added interpolation data import.
Fixed bug: Typos in warning messages.
Fixed bug: Camera rotation mode is incorrect. (Modified XYZ -> YXZ)
Fixed interpolation data import.  Bezier curve should've been applied between previous and current keyframe points...
Avoid an error when vmd file has no valid camera/lamp data.
converted line feed code(CRLF) of source files to LF.
formatted the LICENSE document.
separate import pmx test
fix import pmx

change way to read Indexes
correct readIndexes
deleteTipBones causes Bug so default is now False
support RotationIK
fixed the bug that "face normals" of a model imported from pmx is inverse.