Unsigned integers

How do i handle unsigned integers with torque (Using MySql 5.0)?

I use maven torque:jdbc to generate my schema.xml file, but i have a 
field(Ip) that is an unsigned int in the database,
but that generate a
<column name="Ip" type="INTEGER"/>
in the schema file.
So I have 2 questions:

1: How do I get maven torque:jdbc to generate a schema for an unsigned 
int? Is this even possible? I could not find the documentation for the 
schema.xml format.

2: If i keep the signed integer version in my schema, but the field is 
unsigned in the database, what happens if call setInt() with a negative 
value.?

Martin