relax SVN archive

updates to create a better inter process command passing mechanism
and initiate relax in what might possibly be a sane state!

implimentation of basic command structure and simplistic processor name command

marked more threading code for reletion

consoles and scripts now exit cleanly (override sys.exit) interactive
console works!

Updated the unit test runner to be cross platform compatible.

Fixed the generic_fns.residue.delete() function and its associated unit tests.

An additional unit test for deletion using residue names has been added.

Wrote the identification string documentation.

This documentation is the string 'generic_fns.selection.id_string_doc'. The residue.delete() user
function docstring has had this string added to the end.

Updated the data model redesign document.

The spin_loop() generator function and selection syntax parsing functions tokenise() and
parse_token() are now implemented.

Wrote the generic_fns.selection.parse_token() function and 13 unit tests covering the function!

The unit tests attempt to cover all proper and improper combinations of the supplied token including
numbers (integers), names, and number ranges.

Wrote the generic_fns.selection.tokenise() function and 28 unit tests covering the function!

The unit tests attempt to cover all proper and improper combinations of the selection string.