added python lib to make install target
added python lib to make install target

arneboe/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,retuxx/tinyspline,msteinbeck/tinyspline,retuxx/tinyspline,retuxx/tinyspline,arneboe/tinyspline,msteinbeck/tinyspline,pellaeon/tinyspline-example,msteinbeck/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,pellaeon/tinyspline-example,msteinbeck/tinyspline