address nlp-utils findings from SWEG

[emiliecowen]

create a dev release and test across all repos

• topic summarization
• query retrieval
• ppg (need unit tests here too; see emilie for more info)

SWEG findings
https://llcad-github.llan.ll.mit.edu/AF-Alexa/TransitionPackage_nitmre-nlp-utils/issues/4
https://llcad-github.llan.ll.mit.edu/AF-Alexa/TransitionPackage_nitmre-nlp-utils/issues/5
https://llcad-github.llan.ll.mit.edu/AF-Alexa/TransitionPackage_nitmre-nlp-utils/issues/7