Initialise all module variables This is vital to ensure a 'clean' state of Process before a new run starts, otherwise components of the previous run's state can persist into the new run. This matters ever since Process is used as a shared library, rather than a 'run-once' executable.
Routine that calls the initialisation routines author: P J Knight, CCFE, Culham Science Centre None This routine calls the main initialisation routines that set the default values for the global variables, reads in data from the input file, and checks the run parameters for consistency.