create working document insert
remove unnecessary query from doc insert example
major updates:
- insert operation adds id back to sobject
- getFieldValues now clears the cache of the sobject
- inserting documents, attachments, and content versions working
- updating the same also works
- lots of examples updated and added
api mock and code cleanup
more cleanup
few more formatting tweaks
create getBody method on prototype
updated readme and version bump
Merge branch 'blob'