monetdbe bind/execute can't handle all cases (yet)

[gijzelaerr]

FAILED tests/test_factory.py::TextFactoryTests::test_Custom - monetdbe.exceptions.OperationalError: Could not determine type for argument number 1
FAILED tests/test_factory.py::TextFactoryTests::test_OptimizedUnicode - monetdbe.exceptions.OperationalError: Could not determine type for argument number 1
FAILED tests/test_factory.py::TextFactoryTests::test_String - monetdbe.exceptions.OperationalError: Could not determine type for argument number 1
FAILED tests/test_factory.py::TextFactoryTests::test_Unicode - monetdbe.exceptions.OperationalError: Could not determine type for argument number 1
FAILED tests/test_formatting.py::TransactionTests::test_format - monetdbe.exceptions.OperationalError: syntax error, unexpected '%' in: "prepare insert into test(i, s) values (%"
FAILED tests/test_formatting.py::TransactionTests::test_numeric - monetdbe.exceptions.OperationalError: Unexpected symbol (:)
FAILED tests/test_regression.py::RegressionTests::test_ErrorMsgDecodeError - AssertionError: OperationalError not raised
FAILED tests/test_regression.py::RegressionTests::test_StrSubclass - monetdbe.exceptions.OperationalError: Could not determine type for argument number 1
FAILED tests/test_types.py::monetdbeTypeTests::test_Blob - monetdbe.exceptions.ProgrammingError: Could not allocate space
FAILED tests/test_types.py::monetdbeTypeTests::test_Float - AssertionError: 5.32861326e-315 != 3.14
FAILED tests/test_types.py::DateTimeTests::test_DateTimeSubSeconds - AssertionError: datetime.datetime(2004, 2, 14, 7, 15, 0, 500000) != None
FAILED tests/test_types.py::DateTimeTests::test_monetdbeDate - AssertionError: datetime.date(2004, 2, 14) != None
FAILED tests/test_types.py::DateTimeTests::test_monetdbeTimestamp - AssertionError: datetime.datetime(2004, 2, 14, 7, 15) != None