fixed the unicode bug and add README.rst to the project.

README.rst

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+Papyrus
+=======
+Papyrus is a safely (use AES256 encrypt/decrypt) simple cmd program that manage the infomation of passwords.
+
+
+Usage
+-----
+
+Support Commands:
+
+  - ls::
+      Usage: ls {groups | records | `group_name` | `group_id`}
+
+      selected args:
+        - `group`:  literal key word, show all the groups
+        - `records`:  literal key word, show all the records
+        - group_name: group name, show all the records in the specific group
+        - group_id:  group id, show all the records in the specific group
+      
+      List all the groups or records existing in the current program.
+      
+  - info::
+      Usage: info record_id
+
+      args:
+        - record_id:  the id of the record, `ls` is a useful command for lookup the record id.
+
+      Show the full infomation about specific record.
+
+  - add::
+      Usage: add group item value [note]
+
+      args:
+        - group:  group name of the record.
+        - item:   item name of the record.
+        - value:  value of the record. well, there is the place store the password.
+        - note(optional):  note of the record, the lengths of the note is unlimit.
+
+      Add a record to the program.
+
+  - update::
+      Usage: update record_id value [note]
+
+      args:
+        - record_id:  the id of the record, `ls` is a useful command for lookup the record id.
+
+      Update a record to the program.
+
+  - delete::
+      Usage: delete record_id
+
+      args:
+        - record_id:  the id of the record, `ls` is a useful command for lookup the record id.
+
+      Delete a record to the program.
+
+Example
+-------
+
+some instance::
+
+  ➜  papyrus ✗ python papyrus.py
+  Papyrus: A simple cmd program that manage the infomation of passwords.
+
+  Enter Info's File Path (default `records.dat`): 
+  Please Enter The Initiali Cipher: 
+  (papyrus) >>> help
+
+  Documented commands (type help <topic>):
+  ========================================
+  EOF  add  delete  info  ls  quit  update
+
+  Undocumented commands:
+  ======================
+  help
+
+  (papyrus) >>> add web yahoo apassword
+  (papyrus) >>> ls groups
+  * List all (group_id, group) pairs:
+	(0, web)
+	(1, 银行)
+  (papyrus) >>> ls 0
+  * List all infomation of the records in Group - `web`:
+	(record_id, group, itemname, value)
+	(0, web, google, a****2)
+	(2, web, 团购, t****0)
+	(3, web, yahoo, a****d)
+  (papyrus) >>> ls 1
+  * List all infomation of the records in Group - `银行`:
+	(record_id, group, itemname, value)
+	(1, 银行, 招行, q****3)
+  (papyrus) >>> info 3
+  The infomation of record - `3`:
+         id:  3
+        gid:  0
+      group:  web
+     record:  yahoo
+      value:  apassword
+       note:  None
+    created:  2012-10-19_22:24:31.656777
+     update:  2012-10-19_22:24:31.656777
+  (papyrus) >>> 
+