Merge pull request #286 from python-cmd2/unused_and_edit_fixes

Fixed removed_unused.py example and help for edit command

Author: tleonhardt

cmd2.py

@@ -2184,7 +2184,7 @@ def do_history(self, args):
 
     @with_argument_list
     def do_edit(self, arglist):
-        """Edit a file or command in a text editor.
+        """Edit a file in a text editor.
 
 Usage:  edit [file_path]
     Where:

examples/remove_unused.py

@@ -19,10 +19,10 @@ def __init__(self):
         cmd2.Cmd.__init__(self)
 
         # To hide commands from displaying in the help menu, add their function name to the exclude_from_help list
-        self.exclude_from_help.append('do__relative_load')
+        self.exclude_from_help.append('do_py')
 
         # To remove built-in commands entirely, delete their "do_*" function from the cmd2.Cmd class
-        del cmd2.Cmd.do_cmdenvironment
+        del cmd2.Cmd.do_edit
 
 
 if __name__ == '__main__':