Fix https://github.com/kartena/Leaflet.zoomslider/issues/8 and https://github.com/kartena/Leaflet.zoomslider/issues/10
Fix https://github.com/kartena/Leaflet.zoomslider/issues/8 and https://github.com/kartena/Leaflet.zoomslider/issues/10

kartena/Leaflet.zoomslider,wancharle/Leaflet.zoomslider,wancharle/Leaflet.zoomslider,kartena/Leaflet.zoomslider