• Implemntation of PPS-Bus protocol.
  See /K40 for the limited commands available for this bus.
  Use setBusType(2) to set to PPS upon boot or /P2 to switch temporarily.
• Set GPIOs to input by using /Gxx,I
• Definement "#define CUSTOM_COMMANDS" added.
  Use this in your configuration to include individual code from "BSB_lan_custom.h"
  (needs to be created by you!) which is executed at the end of each main loop.
  Variables "custom_timer" and "custom_timer_compare" have been added to execute
  code at arbitrary intervals.
• several new parameters added
• Bugfix for logging Brennerlaufzeit Stufe 2