new jQuery compatible methods, and related tests

* append
* prepend
* before
* after
* insert_before
* insert_after
* detach
* add_class
* remove_class
* has_class
Merge pull request #11 from cafe01/newmethods

new jQuery compatible methods, and related tests
Checking in changes prior to tagging of version 0.14.

Changelog diff is:

diff --git a/Changes b/Changes
index d85022e..aa526d9 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,21 @@ Revision history for Perl extension Web::Query

 {{$NEXT}}

+0.14 2013-04-07T02:22:25Z
+
+    - new jQuery compatible methods, and related tests
+        * append
+        * prepend
+        * before
+        * after
+        * insert_before
+        * insert_after
+        * detach
+        * add_class
+        * remove_class
+        * has_class
+      (Carlos Fernando Avila Gratz)
+
 0.13 2013-04-05T06:37:27Z

     - fixed find() bug