- ask for file name when saving gif
- random generation
- Add stuff to stats frame
- append parameters for R/G/B
- reset button
- import any image as a np array and use it in canvas
- Change MouseMover to get x/y in picture coordinates, and show label with value under mouse
- prevent formulas with potentially harmful commands ("exec", "import", ...)
- add rotation slider that replaces i with t*i+(1-t)*j, etc
- make image independant of sizex sizey