maybe this is a sane model, passing some connection tests, bytes formatting is scary
little refactoring and some more shallow fixes
more shallow fixes, two tests failing on python2
_combine_cmd_params for byte strings
import fix
some shallow fixes - pass all connection tests on python3
python2 fix
some typecast and copy fixes
fix syntax in test_types_*
some typecasts and adapters fixes
some fixes in types_basic for python2
decimal fix
__str__ fix for python3
some fixes in test_quote and test_copy
get rid of some b()
oops, revert one wrong change
enable transaction tests
unicode_literals in tests was a bad idea, revert them - I want to preserve python 2 tests as is
see #9 - fix NULL check for DataStyle
see #9 - fix a similar issue, extract a method