Also fix _(dictionary)

underscore/underscore-tests.ts

@@ -494,5 +494,9 @@ function strong_typed_values_tests() {
     return [r.title, true];
   }).object().value();
 
+  _(dictionaryLike).each((x) => {
+    console.log(x.title);
+    console.log(x.value.toFixed());
+  })
   _.values<{title: string, value: number}>(dictionaryLike);
 }

underscore/underscore.d.ts

@@ -76,6 +76,7 @@ interface UnderscoreStatic {
 	* as the first parameter can be invoked through this function.
 	* @param key First argument to Underscore object functions.
 	**/
+	<T>(value: _.Dictionary<T>): Underscore<T>;
 	<T>(value: Array<T>): Underscore<T>;
 	<T>(value: T): Underscore<T>;