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
...as it is currently understood - need to add base 12 printed ID to
demod output...
add Q5 option to pyramid
fix missing include I mistakenly removed in cmdlf
plus comment some includes.
fix indala error checking bugs
cmddata.h previously relied on several headers being included prior to
cmddata.h, now self contained.