Add a few docstrings
Add a few docstrings

felliott/waterbutler,RCOSDP/waterbutler,Johnetordoff/waterbutler,TomBaxter/waterbutler,rafaeldelucena/waterbutler,chrisseto/waterbutler,cosenal/waterbutler,icereval/waterbutler,kwierman/waterbutler,hmoco/waterbutler,CenterForOpenScience/waterbutler,Ghalko/waterbutler,rdhyee/waterbutler