function isCubeNumber( value ) {
	return ( isPrimitive( value ) || isObject( value ) );
}
Tests if a value is a cube number.

@param {*} value - value to test
@returns {boolean} boolean indicating whether value is a cube number

@example
var bool = isCubeNumber( 8.0 );
// returns true

@example
var bool = isCubeNumber( new Number( 8.0 ) );
// returns true

@example
var bool = isCubeNumber( 3.14 );
// returns false

@example
var bool = isCubeNumber( -5.0 );
// returns false

@example
var bool = isCubeNumber( null );
// returns false