added fail test; added create_table() into 'ucrawl-tweet conf'

 - added fail test for 'create_table' and 'drop_table'
 - update ucrawl-tweet:
    - added 'create table' phase into 'conf'
    - $dbh->do('SET NAMES utf8mb4') when setup mysql dbh.
 - update example:
    - $dbh->do('SET NAMES utf8mb4') when setup mysql dbh.
 - update dependencies:
    - Test::Exception
Checking in changes prior to tagging of version v1.1.1.

Changelog diff is:

diff --git a/Changes b/Changes
index c03b1be..fabe658 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,20 @@ Revision history for Uc-Model-Twitter

 {{$NEXT}}

+v1.1.1 2014-02-07T04:21:59Z
+
+    - update ucrawl-tweet:
+        - added 'create table' phase into 'conf'
+        - $dbh->do('SET NAMES utf8mb4') when setup mysql dbh.
+
+    - update example:
+        - $dbh->do('SET NAMES utf8mb4') when setup mysql dbh.
+
+    - update dependencies:
+        - Test::Exception >= 0.32
+
+    - added fail test for 'create_table' and 'drop_table'
+
 v1.1.0 2014-02-04T10:24:33Z

     - added ucrawl-tweet command: conf, user, fav and mention