relax SVN archive

Shifted the system information into module variables, rather than re-fetching these each time.

Small change to the debugging printout.

Added a ton of platform information to the model-free optimisation system tests debugging string.

Bug fix for the get_mf_data() function.

The call to re.search() needed the '*' commented out as '\*'.

Bug fix for the same_sequence() function.

Deleted the tests() function and instead called same_sequence().

Created the same_sequence() function to test if two pipes have the same sequence.

Some changes to the tests() function.

This code has to be completely redone though.

Converted the default flag arg vals to bools in the minimise() method.

Converted the whole of the select() function to the new relax design.