version 1.14 check for parameter substitution attempts in literal strings,  also 2 minor bug fixes
correction to literal value
patch needs one more line changed
refactor Python 3 depricated failUnless calls
improve naming of indempotent close switch
Fix launchpad bug 543885 properly

Thanks to chromakode
https://bugs.launchpad.net/dbapi-compliance/+bug/543885
Don't mix argument formats for parameter substitution
Skip test for non idempotent close for psycopg2