1. Comments at the beginning of the module, before
functions, and before classes have been turned
into docstrings.
2. Tabs are normalized to four spaces.
Also, removed the "remove" function from dircmp.py, which reimplements
list.remove() (it must have been very old).
reduce)
* ftplib.py: added default callback for retrlines; added dir() method
* ftplib.py: don't return self in self.connect(); added hack so that if
'CDUP' is not understood, 'CWD ..' is tried.
* ftplib.py: second method called init() should have been called
connect(); if __init__ sees more than one argument, it will also try to
login().
