from https://github.com/rubo77/gluon-ssid-changer/tree/fix-sed

Merge remote-tracking branch 'origin/fix-sed'

This adds a configuration MINUTES, so it cannot happen more often than those minutes that the SSID is changed to offline

And code cleanup and comments

Update repository to rewritten script

change limits so that more lousy connections are possible, especially in heavy meshing spots with many hops this is decreasing heavily without having real effect on connectivity