Preparing DZRP 2.1.0
- Fix for #110: Attempts to start debugging result in error Cannot evaluate 'execAddress'.
setLaunchExecAddress moved after readListFiles. - Small fixes for unit tests and custom code.
- Experimental implementation of DZRP 2.1.0 (cmd_interrupt_on_off) for zxnextserialremote.
- debug console: "-e test ...": Tests for the serial interface.