Fixed broken move_relative(). Fixed a bug in which passing a number to move_to() greater or less than the amount of animation frames would throw an error. Ensure the current animation index is always an integer in putFrame().
Fixed broken move_relative(). Fixed a bug in which passing a number to move_to() greater or less than the amount of animation frames would throw an error. Ensure the current animation index is always an integer in putFrame().

paulvi/libgif-js,buzzfeed/libgif-js,ToadKing/libgif-js,buzzfeed/libgif-js,paulvi/libgif-js,ToadKing/libgif-js,sibnerian/sibgif