py2 and py3 compatibility#6

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davipatti wants to merge 7 commits intoharmslab:masterfrom

davipatti:master

Commits on Oct 9, 2018

Ran futurize --both-stages --write **.py.
David Pattinson
committed
Ran futurize --both-stages --write ** in scripts dir.
David Pattinson
committed
Update README.md
David Pattinson
authored
Fixed mutator.py and param.py which used odd import syntax that futurize could not fix.
David Pattinson
committed
Merge branch 'master' of https://github.com/davipatti/pdbtools
David Pattinson
committed
Fixed pdb_download which required decoding bytes -> str.
David Pattinson
committed

Commits on Oct 10, 2018

Added 'future' pacakge to install_requires in setup.py.
David Pattinson
committed