so that the SQL scripts used to create/drop schemas are easily adjusted to
use different schema names, if desired. Improve documentation for test suite
and samples.
standalone connection and session pool creation; added test cases for binding
and fetching supplemental characters as well as fetching temporary LOBs; tidied
up a few test cases as well.
support within Python 2.x; move away from character semantics which Oracle is
deprecating anyway to byte semantics which should hopefully eliminate the
problem with a backend character set of UTF-8.
