Add acceptance test for CLOB in ref cursor
Add OracleSerialClobNormaliser
Break out OracleSerialClobNormaliser

Make class top-level not inner and add unit tests
Break out other TypeNormalisers

Add unit tests
Correct indentation
Remove redundant test
Correct package specification
Merge pull request #126 from markhop/oracle-clob-in-ref-cursor

Fix Oracle clob in ref cursor issue