Allow negative numbers in ddl2cpp
Allow negative numbers in ddl2cpp

happybits/sqlpp11,volka/sqlpp11,volka/sqlpp11,volka/sqlpp11,rettichschnidi/sqlpp11,rbock/sqlpp11,sergeken/sqlpp11,sergeken/sqlpp11,rbock/sqlpp11,volka/sqlpp11,happybits/sqlpp11,sergeken/sqlpp11,happybits/sqlpp11,rettichschnidi/sqlpp11,happybits/sqlpp11,rettichschnidi/sqlpp11,sergeken/sqlpp11,rbock/sqlpp11,rbock/sqlpp11,rettichschnidi/sqlpp11