relax SVN archive

The 'prompt' and 'generic_fns' Molmol files have been copied to new PyMOL files. The classes have
been renamed and setup within the prompt interface or the main generic functions class. A number of
instances where 'molmol' was written have been replaced with 'pymol'. Much work is still left. For
example PyMOL will not execute in script mode as it terminates saying:

PyMOL: normal program termination.

once the pipe is closed (after finishing the script and relax terminating).