Implement single shot.
Serialize tags and cache them!
Update document.
Change to use Furl.
Add caution.
Correspond profile image.
Add examples.
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index bd0bd50..b0fd7a1 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension Yancha-Bot2

 {{$NEXT}}

+0.04 2013-11-10T12:21:14Z
+
+    - Support single shot method
+    - Support specifying the profile image
+    - Bug fix
+
 0.03 2013-11-10T07:05:41Z

     - original version