Changed to using pagination for fetching keys for contact streaming
Temp get go_api from git repo until we have fixed all the APIs
Paginated streaming for contacts
Paginated streaming for groups
Update stream docstrings
Refactor contact stream function
Refactor group stream function
Change to more generic variable names in _fill_queue
Switch to using released version of go_api
Update to less strict version requirement for go_api
Merge branch 'feature/issue-28-use-riak-pagination-for-streaming' into develop