EN61107/multical iii working
KamstrupMultical -> IEC61107
complete ifdef
more...
ACK  is 0x06 not 0x02
Prepare for restruct (joh.)
multical transmission logic done - should be moved to IEC62056-21.h
start of iec62056_21 decodeFrame
use iec62056_21 for parsing incoming data
multical shows data
units + number formatter
bugs…
bcc checksum (missing parity bit) + cleanup + retransmit