docs update

toxygen/menu.py

@@ -63,7 +63,7 @@ class AddContact(CenteredWidget):
             return
         self._adding = True
         profile = Profile.get_instance()
-        send = profile.send_friend_request(self.tox_id.text(), self.message_edit.toPlainText())
+        send = profile.send_friend_request(self.tox_id.text().strip(), self.message_edit.toPlainText())
         self._adding = False
         if send is True:
             # request was successful

toxygen/plugins/plugin_super_class.py

@@ -37,6 +37,7 @@ class PluginSuperClass:
 
     def __init__(self, name, short_name, tox=None, profile=None, settings=None, encrypt_save=None):
         """
+        Constructor. In plugin __init__ should take only 4 last arguments
         :param name: plugin full name
         :param short_name: plugin unique short name (length of short name should not exceed MAX_SHORT_NAME_LENGTH)
         :param tox: tox instance