makeDesignFiles.py compatible with python3

[Pablo Acera]

Hello!

I am using all the scripts from CHiCAGO as a pipeline and I would like to run the entire pipeline in python 3.*

I have made minor modifications in the makeDesignFiles.py script to be compatible with both python 2 and 3. I have run it with different data-sets and the output is the same. I think that the most organic way is to do a pull request to the CHiCAGO repository if you agree. I am attaching the script. Thank you very much for your time. Pablo.

[Mikhail Spivakov]

Hi Pablo - thanks, this is useful. I don't mind a pull request - or if you feel that the code is mature, just pushing it to master at our end.

[Mikhail Spivakov]

I've just noticed that there was a pull request that we've unfortunately not followed up on that has produced another version of python3-compatible makeDesignFiles.py. Can you see it here or you don't have access rights? https://bitbucket.org/chicagoTeam/chicago/pull-requests/2/py3-support I think in light of this would indeed be great to create a pull request, compare them side by side and decide.