Cleaning up CLI text output. Several updates and fixes to JSON APIs across the board. Changed from utf8 to utf8mb4 wherever possible. Several updates to unit testing framework to make it more streamlined. Fixed memory leak with $db->sync(). Fixed PHP stability issues when connecting to and dealing with broken Galera nodes. All UPDATE API calls now have limit and offset parameters. Switched references of isset() to array_key_exists(). Switched references from is_a() to instanceof. Removed all references to TBX. Added more versions of PHP and HHVM to automated unit testing. Added isnot(), opposite of is().