Applied patch from Clinton Ebadi to call value-changed callback of slider.
Applied patch from Clinton Ebadi to call value-changed callback of
slider.

swflint/McCLIM,swflint/McCLIM,antifuchs/mcclim,onixie/mcclim,slyrus/mcclim,antifuchs/mcclim,onixie/mcclim,slyrus/mcclim,swflint/McCLIM,onixie/mcclim