After 6 days, It works perfectly. Thanks you guys !
To summarize you have to :
Change line 56 from
this.scheduleUpdate(this.config.initialLoadDelay);
to
this.scheduleUpdate(this.config.updateInterval)
Change line 169 from
setTimeout(function() {
to
setInterval(function() {
Optionnal, you can adjust timers at lines 13, 14 and 19
Have fun :-)
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