Moved GNU header define.
Added function to map error strings to enum values.
Merge pull request #17 from chead/feature/15_cleanup_gnu_define

Moved GNU header define.
Fixed account error string mapping function, added authorization error string mapping function and error strings.
Removed references to authentication type. Authentication is now only OOB.
Merge pull request #19 from chead/feature/18_remove_authentication_types

Removed references to authentication type. Authentication is now only OOB
Merge remote-tracking branch 'origin/develop' into feature/12_error_strings

Conflicts:
	src/twitter_authorization.h
Missed an authentication type reference.
Merge pull request #20 from chead/feature/18_remove_authentication_types

Missed an authentication type reference.
Merge remote-tracking branch 'origin/develop' into feature/12_error_strings
Adding error strings for twitter_api.
Added twitterAPIErrorDescription.
More error strings and some cleanup.
Small fixes for error strings.
Merge pull request #21 from chead/feature/12_error_strings

Feature/12 error strings
Getting a string representation of an error now returns void and takes a char ** param.
Merge pull request #25 from chead/feature/23_error_string_return

Getting a string representation of an error now returns void and takes a...
Merge remote-tracking branch 'origin/develop' into feature/14_map_api_status_errors

Conflicts:
	src/twitter_api.c