Added function to map status to api errors.
Forward delated status-error mapping function, fixed signature.
Merge remote-tracking branch 'origin/develop' into feature/14_map_api_status_errors

Conflicts:
	src/twitter_api.c
Mapping function, some clean up.
Mapped Twitter API statuses to twitter_api_error return values.
Merge pull request #26 from chead/feature/14_map_api_status_errors

Feature/14 map api status errors