* Support negative-valued action parameters by converting them in the Python helper code into a positive value whose bit pattern is the 2's complement representation of the negative value. * Python ipaddr package is superseded by ipaddress
* vm: trim trailing whitespace Signed-off-by: Radostin Stoyanov <radostin.stoyanov@eng.ox.ac.uk> * Create dev and release VMs Signed-off-by: Radostin Stoyanov <radostin.stoyanov@eng.ox.ac.uk>