refs #8: WIP for list nesting
refs #8: Got nested lists almost working
refs #8: all but nested lists test are passing
Merge branch 'master' into issue_8

Conflicts:
	pydocx/DocxParser.py
refs #8: big code refactor, stored ilvl and numId on the element
refs #8: got the list style correctly, added a few tests
refs #8: Finally got list nesting working. Stuff in lists other than lists is still a little sketchy
refs #8: added a few more tests (most of which are failing)
refs #8: removed dead code
refs #8: got the list continuation test case passing
refs #8: got separate lists test case working, one more left
refs #8: got the last of the tests passing
refs #8: removed some dead code
refs #8: comments and a small refactor
refs #8: stopped skipping a test that had to to with list styles
Merge branch 'master' into issue_8

Conflicts:
	requirements.txt
refs #8: Stopped skipping the test that has a table in the list
refs #8: refactor, changed how we determine which elements are last list elements, fixed the issue with rolling in too many tags into a list.
refs #8: small code refactor
refs #8: handled list depth better