Version 1.0b

#Insert comments and some relevant documentation (doxygen) in all
modified files.
#In file mainwindow.cpp changed the modality test of the Digital IN/OUT:
# Deleted function setIN1,setIN2,getOUT1,getOUT2,setOUT1,setOUT2
# Insert function setOpto, setOptoFullControl.
# Bugfix in function BuildValueToSet
# Version deliverable to Denis Pontelli at 18/12/2013