Added disable option, disable and enable functions.
Added disable option, disable and enable functions.

Added disable and enable functions as well as an option for enabling or disabling the control

option is "disabled: true/false" (default false).

spectrum('disable') to disable control
spectrum('enable') to enable it

Seems to work ;-)
GerHobbelt/spectrum,safareli/spectrum,shawinder/spectrum,bgrins/spectrum,ginlime/spectrum,hakimel/slides-spectrum,ajssd/spectrum,safareli/spectrum,maurojs25/spectrum,baiyanghese/slides-spectrum,ajssd/spectrum,armanforghani/spectrum,maurojs25/spectrum,shawinder/spectrum,armanforghani/spectrum,CodeLoversAt/spectrum,c9s/spectrum,inscriptionweb/spectrum,liitii/spectrum,bgrins/spectrum,kotmatpockuh/spectrum,inscriptionweb/spectrum,Rise-Vision/spectrum,ginlime/spectrum,kotmatpockuh/spectrum,GerHobbelt/spectrum,liitii/spectrum