relax SVN archive

Converted the desel_all() function to the new relax design.

Clean up of a ton of unused imports.

Wrote 2 unit tests for the boolean args of the select user functions.

Fixed all the RelaxError imports.

Added 12 arg unit tests for the select user functions.

Updated all the interfaces of the select user functions to the new relax design.

Wrote the spin_id arg unit test for the deselect.reverse() user function.

Added the spin_id arg to the deselect.reverse() user function.

Docstring fix for the deselect.read() user function.

Added 2 arg unit tests for the deselect.spin() user function.