CB-2279: Fixed empty spans not having balanced closing tags
Removed some debugging NSLogs
Merge branch 'irishflute_dev' of github.com:walmartlabs-wmusiphone/ios-shared into issue/CB-2279-span-assert-empty
CB-2279: Added unit tests
CB-2279: Added missing files
Added NSError to skip attempting to find a class if a class attribute isn't found
Added another test for just a plain missing class
Finished full tests
Merge remote-tracking branch 'origin/jewsharp_dev' into issue/CB-2279-span-assert-empty
Merge pull request #16 from walmartlabs-wmusiphone/issue/CB-2279-span-assert-empty

Issue/cb 2279 span assert empty