sub entity ids returns

[amzker]

• added ids for actions , documents/versions , sponsorships , votepeople to be returned from api.
• main reason is i am using openstates api (/bills) to fetch updated bills and then i am checking ids in my database (my db is filled via those bulk csvs and then i am continuing upsert using /bills) before pushing new dataset that was what updated ( ie: ids which are not found in my db but is in updated local json are updates ) , there for ids for sub entity were required.

[jessemortenson]

Sorry for the delay in reviewing! Just been a really busy time of year. Lot of long days getting new session data in.

I do want to note that sub entity IDs are not guaranteed to have durability. I believe there are some cases where old subentities might get blown away by new incoming ones. If we have a data problem where some bad data gets in, then we reprocess data, "bad" actions or sponsors or votes etc. might get blown away and replaced.

[amzker]

Thanks for the update, i will keep note of it