These changes facilitate more robust parameter type checking and helps
to identify unexpected coding errors.
Most simulators can now also be compiled with a C++ compiler without
warnings.
Additionally, these changes have also been configured to facilitate easier
backporting of simulator and device simulation modules to run under the
simh v3.9+ SCP framework.
The processing of initialization commands improperly attempted to initialize
all controllers AND these attempts (for controllers beyond 0) referenced
beyond the bounds of the unit array. This problem was reported in issue #309
