GH #201 - Working on API keys security.
Merge branch 'master' into dsuch-f-gh201-sec-api-keys
Merge branch 'master' into dsuch-f-gh201-sec-api-keys
GH #201 - Fixed function delimiters.
GH #201 - Added API keys tests.
GH #201 - Add older tests back.
GH #201 - Fixed typo.
GH #201 - Return data url_data expects.
GH #201 - Use proper headers and logger messages.