Second minor release

Bugfixes (leblancfg#23)

* Update autocrop.py

Sundeep fixed the bug and it's working now

* PEP8

* properly handle image == None

Merge pull request leblancfg#15 from leblancfg/numpy

tightened numpy requirements, bumped to v0.1.4

Merge branch 'master' of https://github.com/leblancfg/autocrop

Only merging README.md

re-added frozen requirements.txt

Issue 008 (leblancfg#10)

* Created package folder

* PEP8 style fixes

* Basic CLI argument handling with argparse

* OpenCV now >3

* Fixed license info related to third party: OpenCV

* Added gitignore

* Ready for PyPI:test

CLI working, opencv now >3

Adds a tag so that we can put this on PyPI.