added temporary console output for debugging
adjusted step limit to be half the cache fetch threshold
added pathed version of G4PVParameterised allowing for setting pointer to parameterisation with overlaps testing
added method to dump a representation of the cache
pull method with single return
added method to get a replica position by copy number, returning a G4ThreeVector. Set private member variables to public.
added DumpCache function to the detector messenger
added current step position to debug output
update pointer to parameterisation in replication if required. Set world volume visible
added macro command to set size of cache