Attempt to unify internal citations
Internal citations layer switched to unified citations grammar
Use unified internal citations in for all exclusions
Internal citations grammar now redundant
Remove remaining references to internal_citations grammar. Fix bug that results
Amdpar uses atomic/unified instead of common
Remove common grammar from more places
Remove common from interpretation_headers and delays
Use citations library for SxS
Remove unneeded grammar
SxS headers in notices can refer to multiple sections
Simpler method of handling multiple citations
Add tests and resolve issues found comparing html
Remove unneeded grammars/tests
PEP8 for new files
Don't change the meaning when running lint...
Merge pull request #125 from cmc333333/citations-rewrite

Citations Rewrite + Allow SxS to Have Multiple References