* add more BS11 specific attributes
* define all valid BS11 PA power classes
* add callback function to software load
* introduce SWL load function for BS-11 style SWL file lists
* separate activation of software from loading of software
* add function to obtain BS-11 serial number
* disable serial port POST processing
* default delay is 0
* make window size user-configurable (default: 8)
* add missing help line for the --delay option
* don't forget to create the CCLK object as part of minimal config