Added -Q switch to suppress version check messages
Added -D switch to disable the detach_all at the beginning of a restore and any actual attach operations during the restore
1) Single Command Mode: commands are processed between simulated instructions once CR is received.
2) Multiple Command Mode: commands are initiated with the WRU character (usually *E) which suspends simulation execution and commands are processed until a CONTINUE command is entered (or automatically provided if the SET REMOTE TIMEOUT=seconds interval has elapsed).
