Added GUID type as new AkType
added GUID type
bug fixes GUID type + Create_random_GUID() method added
Added proper type handling in yamlTester
Updated on comments from Nathan
Merge branch 'master' into guid
Added TypeID for GUID to parser, updates to support this
merge SytzeH: Guid type + create_random_guid() method

Merge pull request #1252 from SytzeH/sql-layer/guid
https://github.com/FoundationDB/sql-layer/pull/1252