change frames to static class object

so that it is not accessible by the instance

itten/movie.py

@@ -11,10 +11,11 @@ from . import contrasts
 class Movie(object):
     """main class to interact with the colorspace of movieframes"""
     def __init__(self, prefix, folder='./'):  # TODO platform independent
-        self.frames = Frames(folder, prefix)
+        Movie.frames = Frames(folder, prefix)
+        self.fsize = Movie.frames.frm_cnt
 
     def scatterpoints(self, channel):
-        contrast = contrasts.mono_ctrst_scatplt(1, self.frames)
+        contrast = contrasts.mono_ctrst_scatplt(1, Movie.frames)
         return contrast