Partial fix for #495

Add JdbcPreparedStatement.executeLargeUpdate() with implementation delegating to old internal method

Fix for issue #311

Better getObject error message

SecureRandom is already synchronized

Return properly encoded UUID from SimpleResultSet.getBytes()

When an unsupported type is passed to getObject(int|String, Class) the
error message always says that "java.lang.Class" is unsupported instead
of the actual type.

TestFunctions less english dependent

Fix for issue #644: Year changing from negative -509 to a positive 510

SIGNAL function

added Javascript support for Triggers' source

Issue #694: Support for Oracle style parenthesised column modification:

ALTER TABLE foo MODIFY (bar VARCHAR2(255) NOT NULL)