- collect serial number prefixes for different manufacturers
- reader mit mehr als 9600 baud wird nicht erkannt. Serial Port setup ist wohl nicht so korrekt.
- remember binary mode in preferences

- ascii cols are interpreted as UTF-8 by pango
- set background of edited cells
- cell editor with monospace font

- editing immidiately writes to tag. But writing should only occur after pressing some write button
- when Tag/Load tag is immediately overwritten

+ then test modified sector trailer which activates keyb
+ decypher bits in sector trailer from table below
  ~ DataSheet-FunctionalSpecification.pdf page 13..

Sector Trailer |
---------------+----------------------------------------------------
FF 07 80 xx    | KeyA is master key with full access, KeyB disabled
---------------+----------------------------------------------------
               | Block0 | Block1 | Block2
---------------+--------+--------+--------
08 77 8F FF    |   V    |   V    |   V
48 77 8B FF    |   V    |   V    |   D
28 77 8D FF    |   V    |   D    |   V
68 77 89 FF    |   V    |   D    |   D
18 77 8E FF    |   D    |   V    |   V
58 77 8A FF    |   D    |   V    |   D
38 77 8C FF    |   D    |   D    |   V
78 77 88 FF    |   D    |   D    |   D

==============================================================================
= Tag Testfield
================
= LF tags
[ ] EM4x02
[ ] EM4x05
[ ] EM4x50
[ ] HITAG1
[ ] HITAGS
[ ] HITAG2
[X] Q5
[ ] TI-RFID
= HF tags
[ ] Mifare Standard
[ ] Mifare 4K
[ ] Mifare Ultralight
[ ] Mifare ProX
[ ] DesFire
[ ] SLE66CLX320P
[ ] SLE 55R04/08
[ ] Smart MX
[ ] Jewel Tag
[ ] SLE6666CL160S
[ ] SR176
[ ] SLIX 4K
[ ] ASK GTML2 ISO
[ ] ASK GTML
[ ] Sharp B
[ ] TOSMART P064
[ ] EM4135
[ ] ICODE SLI
[ ] LRI12
[ ] LRI64
[ ] LRI512
[ ] SRF55VxxP
[ ] SRF55VxxS
[ ] Tag-It HF-I Standard
[ ] Tag-It HF-I Pro
[ ] TempSense
[X] ICODE
[ ] ICODE EPC
[ ] ICODE UID
[X] misc ISO15693
