relax SVN archive

Wrote a unit test for the proper failure of the spin.copy() user function pipe_to argument.

Wrote a unit test for the proper failure of the spin.copy() user function spin_from argument.

Fixed the unit test of the pipe_from argument of the spin.copy() user function.

The valid None and str arguments are being skipped to avoid the assertRaises() method.

Bug fix for the unit test of the pipe_from argument of the spin.copy() user function.

Bug fix, RelaxNoneStrError is now imported.

Wrote a unit test for the proper failure of the spin.copy() user function pipe_from argument.

Fix for the return_data_types() function.

The reference to self has been removed.

Fixed the spin.copy() user function printout.

Shifted the return_data_types() function into its own module for all prompt tests to use.

Wrote a function for returning all different types of data as an array.

This data will be used to test the proper behaviour of the user functions to the handling of their
arguments.