Added doc string for generators_search
Added doc string for generators_select_by_popular
Added doc string for generators_select_by_popular
Added doc string for generators_select_by_trending
Added doc string for generators_select_related_by_display_name
Added doc string for generators_select_by_url_name_or_generator_id
Added doc string for instances_select_by_popular
Added doc string for instances_create
Added doc string for instances_select_by_new
Added doc string for instances_select
Added doc string for content_flag_create
Sigle lines docstrings moved to one line
Added full pep8 compatibility
Merge pull request #7 from fdipilla/master

Document methods.