refs #34: updated the tests for expected behaviour for base 64 encoding of image data.
refs #34: store and pass around the image data, instead of the image path
refs #34: image handler now deals with image data and base 64 encodes it instead.
refs #34: since we no longer write the image to disk, we no longer need to copy the file to a temp dir.
refs #37: Added tests showing what should happen with upper roman numerals if a flag is passed in
refs #37: it is now possible to convert root level upper roman lists to headers
refs #34: passed along the filename, correctly created the src for image (using the correct file extension)
refs #37: updates based on code review
Merge pull request #34 from OpenScienceFramework/issue_34

Make the default image handler a bit more useful
Merge branch 'master' into issue_37

Conflicts:
	pydocx/DocxParser.py
	pydocx/tests/__init__.py
Merge pull request #37 from OpenScienceFramework/issue_37

Optionally allow converting root level upper roman lists to headers
bumped to version 0.2.0
some changes to tables
some changes to tables
Merge branch 'master' into latex
flake8
refs #38: refactored the test code to do r tags correctly
refs #38: added a test showing the duplicated content issue
refs #38: fixed justifications
refs #38: removed dead code