Added streaming for contacts and fake contacts + tests
Added pagination for contacts and fake contacts + tests
Seperated _encode_cursor and _paginate functions
Modified mk_api to accept optional limit argument, and removed redundant mk_api_lim_5 argument
Fixed streaming to return correctly, added support for parsers from AppHelper
Moved cursor encoding and decoding to _paginate
Removed parsing json_lines from error tests
Removed parsing support from the fake API
Changed contacts stream to fetch contacts one by one, and changed contacts page to only fetch the contacts for that page
Changed groups stream to get groups one by one, changed groups page to only fetch groups that are in the page
Changed style for unpacking tuples
Merge branch 'feature/issue-23-add-stream-and-pagination-for-contacts' into develop