Split interpretations from appendix parsing in xml
Rename file
Where digits are used in appendix headers (e.g. A-1), use them in the label
PEP8
Allow for Part IV-style headers in appendices
First changelog
Merge pull request #136 from cmc333333/changelog

First changelog
Merge pull request #135 from cmc333333/appendix-labels

Appendix Labels: Digits in headers
Remove TOC sections - a bit more complicated that you'd think
PEP 8
Make sure that appendix subheaders are found, even when they are not in HDs
Merge pull request #138 from cmc333333/appendix-labels-false

Appendix Labels: Catch Missing Headers
Appendix processing is now a class
Account for many paren-markers. Doesn't disambiguate
No paragraph markers in appendices for now
Account for many (but not all) paragraph markers
Account for section headers with multiple sections
Merge pull request #139 from cmc333333/appendix-labels-parens

More sophisticated paragraph processing in the appendix
Also check for double section markers when encountering reserved ranges
Allow interpretation headers to apply to multiple paragraphs