Raise the proper exceptions for figshares revisions endpoint
Raise the proper exceptions for figshares revisions endpoint

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