Cleaned up some pep8 violations

- changed camelCase variables to under_case
    - wrapped lines that were longer than 80 chars
    - used @property decorator
    - changed the cc refine test to print before running refine
        - refine seems to be destructive

test/test00.py

@@ -2,9 +2,9 @@ from surf.util import cube
 from surf.subd import cc
 
 polygon = cube()
-refined_poly = cc.refine(polygon)
-
 print polygon
+
+refined_poly = cc.refine(polygon)
 print refined_poly
 #
 #