relax SVN archive

Epydoc fixes.

Updated the 'basic_single_pipe.bz2' to be compatible with the current relax revision.

Added a relax script to regenerate 'test_suite/shared_data/saved_states/basic_single_pipe.bz2'.

This can be used when ever this saved state becomes incompatible with relax.

load_state() now throws a RelaxError when the state is incompatible.

The error says that the relax version in incompatible.

Bug fix for the force arg test of the sequence.write() user function.

The arg should be a bool.

Bug fix in the force arg test of the structure.create_diff_tensor_pdb() user function.

RelaxBoolError should be raised.

Fixes for the symmetry and force arg unit tests of the structure.create_vector_dist() user function.

These should now be bools.

Changed the flag args of the structre.create_vect_dist() user function to bools.

The flags args have been shifted to the end as well.

Bug fix for the force arg test of the structure.create_diff_tensor_pdb() user function.

This should be a bool arg.

Changed all the sequence user function '*_flag' args to the default of False.