Add missing each, and correct type of Date.now() (#11670)

sugar/sugar.d.ts

@@ -3076,6 +3076,11 @@ interface ObjectConstructor {
 	**/
 	map<T, U>(obj: T, map: (key: string, value: any) => any): U;
 
+	/**
+	* @see map
+	**/
+	each(obj: any, map: (key: string, value: any) => void): void;
+
 	/**
 	* @see map
 	**/
@@ -4174,7 +4179,7 @@ interface DateConstructor {
 	* @example
 	*   Date.now() -> ex. 1311938296231
 	**/
-	now(): string;
+	now(): number;
 
 	/**
 	* Alternate form of %Date.create% with any ambiguity assumed to be the past.