Changelog for firmware v5.0b01, released 2018-01-05:
- ENH support for graphics icons for measured values
- ENH support for Big Speed screen layout
- ENH screen value/unit alignement in dual column modes
- ENH new built-in graphics startup logos
- ENH Big enlarge of DTC descriptions database (now over 15 thousands)
- ENH new firmware format imx for handling megabytes files
- FIX screen re-initialization
- FIX pressure unit Bar abbreviation (B -> b)
