throw DatabaseError instead of UnicodeDecodeError when utf8 cannot decode, this is better dbapi conformance and this fixes Django test
throw DatabaseError instead of UnicodeDecodeError when utf8 cannot decode, this is better dbapi conformance and this fixes Django test

tpow/pytds,denisenkom/pytds,m32/pytds,denisenkom/pytds,m32/pytds,tpow/pytds