First attempt at getting the tree working with CFR xml
Add subparts, emptyparts to parsing
Cleaner code
First tests
PEP8, pyflakes
Split notices/history. Separate out xml parsing from notice generation
Determine which notice and XML is associated with the first annual xml
PEP8
Getting collapsed paragraphs to work
PEP8
Use the already-segmented xml
Breaking apart the code, so it is less monolithic
Added a tagged text field to Node for this parser
Fixed tests
Adding tests, and fixing code according to tests
PEP8
Fixed key terms layer to use tagged_text
Merge pull request #123 from khandelwal/cfr_xml

Getting an accurate regulation tree from the XML parser
Attempt to unify internal citations
Tests fixed to reflect reality