Changed openAllWithCommonDrain, now it takes in the number of device
Added cover function for groundAll + openAllWithCommonDrain + closeChan
Changed lock-in to harmonix, only a name but easier from menu
Added the procedure to measure a single sample
the machine now accepts the path to output
K2400 now takes path to output!
K2400 no longer sets the name of the file!
spa no longer names file name and receives the outpath
harmonix does not handle file name any more