Sugree

diff --git a/track.py b/track.py
index e651f51..1842e61 100644
--- a/track.py
+++ b/track.py
@@ -52,6 +52,9 @@ class App:
         parser.add_option('-p', '--pages',
                           default=4, type='int', dest='pages',
                           help='max pages')
+        parser.add_option('--encoding',
+                          default='utf-8', dest='encoding',
+                          help='output encoding')
 
         self.options, self.args = parser.parse_args()
 
@@ -81,7 +84,8 @@ class App:
 
         history.reverse()
         for i in history:
-            print format_tweet(i)
+            tweet = format_tweet(i)
+            print tweet.encode(self.options.encoding, 'replace')
 
         if verbose:

diff --git a/track.py b/track.py
index ea27c2f..e651f51 100644
--- a/track.py
+++ b/track.py
@@ -65,7 +65,9 @@ class App:
         query = ' '.join(self.args)
         results = search(query)
         for i in results['results']:
-            history.append(i)
+            if i['id'] not in keys:
+                history.append(i)
+                keys[i['id']] = 1
 
         for p in range(self.options.pages-1):
             if 'next_page' not in results:
@@ -73,7 +75,9 @@ class App:
             next_page = results['next_page']
             results = search(query, next_page[1:])
             for i in results['results']:
-                history.append(i)
+                if i['id'] not in keys:
+                    history.append(i)
+                    keys[i['id']] = 1