CYBOP 0.13.0

CYBOI

Implement new version of xdt deserialiser, needed for German medical data formats bdt/gdt/ldt
Add character encodings: ascii, iso-8859-1, iso-8859-15, windows-1252, c0 and c1 control codes of iso 6429
Adjust reference counting to make rubbish (garbage) collection work correctly
Add communication channel "serial_port" for talking to microcontroller device via usb
Add terminal mode line speed serialiser necessary for converting integer to POSIX.1 baudrate symbols

Simplify cybol files by removing attributes like "encoding" and "language"
Add new operations: run/sleep-second, run/sleep-nano, modify/fill, cast/character, cast/double, cast/integer
Add formats: number/byte, in addition to "text/ascii", both internally mapped to "unsigned char"
Add applications "indoor_climate"