ImProc ass3: Fixed imports for Windows.

.gitignore

@@ -15,3 +15,4 @@ robotica/
 *.swp
 *.toc
 *#
+*~

improc/ass3/intersect.py

 #!/usr/bin/env python
-from pylab import zeros, imread
+from numpy import zeros
+from matplotlib.pyplot import imread
 
 def col2bin(color):
     return tuple(map(lambda x: round(x - 1), color))