Add object version of the method sort().

Author: javadev

src/main/java/com/github/underscore/$.java

@@ -1718,8 +1718,8 @@ public static <E> List<E> union(final List<E> ... lists) {
         return newArrayList(union);
     }
 
-    public static <T extends Comparable<T>> List<T> sort(final List<T> list) {
-        final List<T> localList = newArrayList(list);
+    public static <T extends Comparable<T>> List<T> sort(final Iterable<T> iterable) {
+        final List<T> localList = newArrayList(iterable);
         Collections.<T>sort(localList);
         return localList;
     }
@@ -1730,6 +1730,10 @@ public static <T extends Comparable<T>> T[] sort(final T[] array) {
         return localArray;
     }
 
+    public List<T> sort() {
+        return sort((Iterable<Comparable>) iterable);
+    }
+
     public static <T> String join(final Iterable<T> iterable, final String separator) {
         final StringBuilder sb = new StringBuilder();
         each(iterable, new Block<T>() {

src/test/java/com/github/underscore/UnderscoreTest.java

@@ -51,6 +51,7 @@ public void main() {
     @Test
     public void sort() {
         assertEquals("[example, some, words]", $.sort(asList("some", "words", "example")).toString());
+        assertEquals("[example, some, words]", new $(asList("some", "words", "example")).sort().toString());
         assertEquals("[example, some, words]", $.chain(asList("some", "words", "example")).sort().value().toString());
         assertEquals("[4, 5, 7]", $.chain(asList("some", "words", "example"))
             .map(new Function1<String, Integer>() {