Detail:
  c/ScrModes, h/modex - Added support for CVT 3 byte codes & VTB-EXT blocks. Add framework for sorting modes by EDID priority. Move CEA extension block handling into its own function & increase error checking.
  Resources/Germany/CmdHelp, Resources/UK/CmdHelp - Fix missing message token & incorrect syntax of syntax message
Admin:
  Code submission from William Harden
  Tested on Raspberry Pi


Version 0.47. Tagged as 'ScrModes-0_47'