Revise ClArgs
Add method lexical_cast
Remove dependencies on _argc, _argv and US_CheckParm
Update .gitignore
Remove run protection
Replace MM_GetPtr and MM_FreePtr with standard memory operators
Remove MM_SetLock
Remove MM_SetPurge
Remove MM_UnusedMemory
Remove MM_TotalFree
Remove MM_BombOnError
Remove mminfo
Remove mmerror
Remove beforesort and aftersort
Cleanup id_mm.cpp
Cleanup id_mm.h
Revise id_mm.cpp
Replace file I/O with STL streams