Add CODE-tag processing
Merge pull request #234 from cmc333333/sas-code

Add CODE-tag processing
Don't duplicate SxS for headers with multiple labels; add a labels field
Merge pull request #238 from cmc333333/sxs-duplicates

Don't duplicate SxS for headers with multiple labels; add a labels field
Merge branch 'master' of github.com:cfpb/regulations-parser into supp
Logic fail, now fixed