Hello,
debugging a script on the Vera or making unit tests are a bit hard to do directly on the device.
It’s easier to do that localy outside of the Vera.
I’ve developed a mock that allows you to test scripts on a dedicated environment (it doesn’t help to make plugins).
[url=https://github.com/vosmont/Vera-Plugin-Mock]https://github.com/vosmont/Vera-Plugin-Mock[/url]
Don’t hesitate to report me your comments