Add promt to RIO
Fixed cmd OUT and implemented OUTC
Fixed RegisterMachine::read() and write() and doStep()
Fixed shame in ADD.txt
Added \t to RIO::input()
Removed arg "-v" / "--verbose"
Use ss_line.unget(); in readRM()
Updated MVariant
Implement RegisterData::getFirst() and ::getLast()
Implement writeRegister()
Update MVariant
Implement printAccu()
fixup! Add " @[TYPE]" to printAccu()
Print state (TERMINATED) or current cmd in dbg_prompt
Go to state TERMINATED immediately