Sort attributes of ComposteType
Formalize type locators as TypeRef and use them to delay parameter as well as result field types
Use Record objects in record text encoder/decoder
Fix bugs in SQLInput/SQLOutput

• Use correct attribute type in mapGetType/mapSetType instead of composite type itself
Add simple "struct" unit tests
Merge branch 'develop' of https://github.com/kdubb/pgjdbc-ng into develop