STEP 3 - the actual new files for Ultralight.

ADD: script remagic.lua  --  a script to make a "dead" Mifare s50 generation 1 alive again.
ADD: tracetest.lua  - This script will load several traces files in ../traces/ folder and do
"data load"
"lf search"
ADD: test_t55x7_psk.lua   -  iterates thru a lot of calls to check the new psk demods.

all new scripts implements the  "-h"  for help text.