FIX: a solution for the issue "hf mf esave - always saves 4K"

FIX: a solution for the issue "hf eload, esave, cload, save - filepath variable too short"
CHG: minor code clean up.
ADD: AES / CRC16 for lua. (and tnp3xx scripts.)
ADD: tnp3dump.lua  script to dump tnp3xx tags.
ADD: tnp3sim.lua script to let PM3 imitate an tnp3xx tag. Needs to be tested live