Slider: Fix to restrict handle values when set programmatically.

Fixes #3762 - Slider: handles not restricted properly when set programmatically

Author: dekajp

tests/unit/slider/slider_methods.js

@@ -146,11 +146,11 @@ test( "values", function() {
 
 	element.slider( "option", "values", [ 50, 75 ] );
 	element.slider( "values", [ 50, 10 ] );
-	deepEqual( element.slider( "values" ), [ 50, 50 ], "handles restricted properly when set programmatically - 2nd Handle resets to 1st" );
+	deepEqual( element.slider( "values" ), [ 50, 50 ], "Setting both handles - 2nd Handle resets to 1st" );
 
 	element.slider( "option", "values", [ 50, 75 ] );
 	element.slider( "values", [ 75, 50 ] );
-	deepEqual( element.slider( "values" ), [ 75, 75 ], "handles restricted properly when set programmatically - 2nd Handle resets to 1st" );
+	deepEqual( element.slider( "values" ), [ 75, 75 ], "Setting both handles - 2nd Handle resets to 1st" );
 
 });