minor style update
_sanitize_qs is now quote(), accessed directly before calling
use new standard username
use shortcut methods
conn is now class-level attribute, makes tests a bit faster
use basestr test
enable branch coverage
add some more specialized tests for quoting
more coverage
add some tests to improve branch coverage
add test-cases for using classes instead of strings
minor cleanup
create user in setUpModule(), brings massive speed improvement
various cleanup
minor cleanup
use ItemsEqual