Add publication date, fr volume, fr page to the sxs layer
PEP 8
Carry along E tags and add spaces
PEP 8
Merge pull request #114 from cmc333333/keep-emphasis-sxs

Keep emphasis sxs
Add spacing to titles of notices
PEP 8
Merge upstream
Merge pull request #113 from cmc333333/expand-analyses

Add additional details to analysis layer
Merge pull request #115 from cmc333333/notice-title-space

Add space to section headers of SxS
Account for paragraphs where the section symbol is present
Account for 'Official Interpretations of ' in SxS
Merge pull request #116 from cmc333333/sxs-wrong-parse

Two Tweaks to SxS parsing
string bool test
Core footnote data
Moves around some of the cleanup methods. Uses them in the footnotes
Add references to footnotes to sxs
Rename to footnote_refs
PEP 8
objects > tuples