remove 'add_arguments' function

examples/Hangman/example.py

@@ -149,8 +149,7 @@ def main():
     #                          options)
     storage_type.set('sqlite3')
     config = Config(OptionDescription('root', 'root', [word, proposal_word, misses, proposals_left] + options), persistent=True, session_id='hangman')
-    parser = TiramisuCmdlineParser()
-    parser.add_arguments(config)
+    parser = TiramisuCmdlineParser(config)
     try:
         parser.parse_args()
     except ValueError:

examples/remote/example.py

@@ -22,8 +22,7 @@ class RemoteConfig(Config):
 
 def main():
     config = RemoteConfig('http://localhost:8000')
-    parser = TiramisuCmdlineParser()
-    parser.add_arguments(config)
+    parser = TiramisuCmdlineParser(config)
     parser.parse_args()
     config = parser.get_config()
     print(config.value.dict())