I am seeing the following when trying to load the plugin:
I am currently on 6.6.7
plugin: installing: https://s3.amazonaws.com/dnld.lime-technology.com/stable/unRAIDServer.plg
plugin: downloading https://s3.amazonaws.com/dnld.lime-technology.com/stable/unRAIDServer.plg
plugin: downloading: https://s3.amazonaws.com/dnld.lime-technology.com/stable/unRAIDServer.plg ... failed (SSL verification failure)
plugin: wget: https://s3.amazonaws.com/dnld.lime-technology.com/stable/unRAIDServer.plg download failure (SSL verification failure)