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.
the ability to have strings up to 32k characters. This implies that using
setinputsizes() is necessary if a long string type is desired as this will not
occur automatically when the string exceeds 4000 characters. Tests are tidied
up to remove the "p_" prefix from all bind variables.