[ADQL] Support bitwise operators + Fix wrong hexadecimal conversion (only for

negative values).

The implemented operators precedence is:

```
[~-](unary) >> [*/] >> [+-] >> [^&|]
```

_**Example:** `~3-1|2*5^6/1+2 = ((~3)-1)|((2*5)^((6/1)+2)) = -5`_