add parameter for # bits to read
auto get samples after lf read/snoop (don't need to do a `data samples`
anymore)
add safe function to get DemodBuffer
add some lf demod comments and apply new lf_read function instead of
read then get samples.
fixed output bug in lf t55xx config print
fixed small bug in lf t55xx detect during ST check
fix noralsy demod bug (st should be true)
fix sprint_bin_break bug (didn't print last bit)
add a function to save/restore demodbuffer
remove redundant countFC call in PSKDemod
clean up pskclockdetect functions
fix indala26decode bug (end of data sometimes not correct)
improve PSK detection / demodulation
improve NRZ detection
improve t55xx commands & fix a few bugs
add t55xx page1 detection - added it to lf search
added experimental t55xx testmode write