Only find appendix titles when they are at the start of a line
Don't try to be so smart in determining the CFR part; just use the first line of the reg
Don't assume each regulation has an interpretation
Allow cap letters in parens
Sometimes the supplement has a different title
Account for error case where a section/subpart is found in the appendix/supplement
Remove alternative interpretations marker. Update tests
PEP8 PEP8 PEP8
Fix tests broken with PEP8
Merge pull request #106 from cmc333333/additional-regs

Tweaks to parser for additional regs