First part of test double.
Fake user mentions.
Fake user timeline.
Pass in the twitter data to get_user() when obtaining tweet reply details
Fix places where tweet and user 'id' fields are not wrapped in ints() when being converted from 'id_str' fields
Streaming for test doubles.
Better variable names.
Better fake stream handling.
Fix fake userstream.
Merge branch 'develop' into feature/issue-5-test-double
Fix FakeTwitterAPI's stream_filter tracking term splitting
Merge branch 'feature/issue-5-test-double' into develop