Updated the RelaxPdbError class to not require the pipe argument.
Replaced all calls to count_spins() with exists_mol_res_spin_data().
Converted the generic_fns.structure.vectors() function to the new relax design.
Shifted the core of the angles system test into a relax script.
Updated the calls to the create_macro() function.
Converted the Molmol write() function to the new relax design.
Converted the Molmol view() function to the new relax design.
Converted the Molmol tensor_pdb() function to the new relax design.
Converted the Molmol ribbon() function to the new relax design.
Converted the Molmol pipe_write() function to the new relax design.