pep8
more pep8
Bugfix. We should only check the input that is viewed by a given output, not all inputs.
Another bugfix
small code refactoring.
small refactoring to make code more clear.
Fix the crash.
bug fix. We where freeing too early, as the compute map values are list. If they contain any elements they evaluate to true. We want the list element to evaluate to true.
crash fix. viewed_by wasn't updated to trac the origin as it should.
Merge pull request #5 from nouiz/GSoC2014_part2

G so c2014 part2