* tweaked the solar update method to be more accurate
* added a check for the midnight rollover of timeofday
* the manual tracking orientation is now synchronized with the sun position update
* now checking if the solar panel/tracker/computer is not already in the solars_list before adding it
* added a message noticing the beginning of a solar panel/tracker deconstruction
* tweaked the manual tracking for better accuracy : the orientation is increased/decrease internally and updated altogether the sun.