function isNumber( value ) {
	if ( typeof value === 'object' ) {
		if ( value instanceof Number ) {
			return true;
		}
		if ( FLG ) {
			return test( value );
		}
		return ( nativeClass( value ) === '[object Number]' );
	}
	return false;
}
Tests if a value is a number object.

@param {*} value - value to test
@returns {boolean} boolean indicating if a value is a number object

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

@example
var bool = isNumber( new Number( 3.14 ) );
// returns true