which is just the weirdest thing ever, and caused me no end of trouble trying to track down why my debugging statements where not appearing

preparatory work to splitting up the big test script

Fix for issue #600

now that we require Java1.7

Support more types in getObject

ResultSet#getObject is missing some conversions in table B.4 of the
JDBC specification.

- add support for Blob in getObject
- add support for Clob in getObject
- add support BigInteger <-> BIGINT
- add support java.util.Date <-> TIMESTAMP
- add support java.util.Calendar <-> TIMESTAMP
- add tests for SMALLINT
- add tests for BIGINT

Issue#591 Generated SQL from WITH-CTEs does not include a table ident…

where we are calling getException() and seeing a null value.
Because we access these without synchronization, we need to use volatile.