educe.stac.annotation.speaker

Return the speaker associated with a turn
stac Context: build for whole corpus

returns one flat dictionary
educe.stac.util.prettifyxml

Parameterisable indent
Minor convenience function for speaker context
stac-util tmp: fix missing import, pep8
sanity-check: s/to themself/to self/

I don't English so gud
Merge branch 'master' into rst-feat-extract