CHG: @Marshmellow came up with some nifty nice ideas for the t55xx modulation detecti...

CHG: @Marshmellow added PSK1, PSK2, PSK3.   Almost complete now. Waiting for Biphase.
ADD: @Marshmellows lf- psk demod changes,
CHG: In "lf t55xx info" the manufacturerer name is now identified and printed.
CHG: In "lf t55xx info" the modell name is now identified and printed,  however it can only identify two models presently.