compile fix for llvm and current gcc
test suite
more debug output
warnings
use macro MAP_FAILED
Add support for CLOB attributes in DerbyPlugIn

Fetching data from CLOB attributes always returns null when using the Derby database. This patch returns a java.sql.Clob or the String representation of the CLOB column in the result set.
Merge pull request #580 from markusstoll/WOAdaptor-CompileFix

Wo adaptor compile fix