Re-order the "porting" section to list items by decreasing significance

the codecs docstrings.

that is outside the integer range no longer raises OverflowError, but
returns a long object instead.

This fixes SF bug http://www.python.org/sf/635115

dependence on the Tcl/Tk version number.  Now you point it at the
Tcl/Tk install you want to ship, and that's what it ships.

    suggested by PEP 291.

have a nb_float slot.  This matches what PyInt_AsLong does.

PyNumber_Remainder().  This fixes SF bug #615506 and allows string and unicode
subclasses to override __mod__.

PyFloat_AsDouble to generate a good error message.

on Jaguar.

Ceteram censeam W era packagendam esse.

for Python 2.2.

Replace "type(0)" with "int".
Replace "while 1" with "while True"

Replaced docstring with comments.  Prevents subclass contamination.
Added the missing __cmp__() method and a test for __cmp__().
Used try/except style in preference to has_key() followed by a look-up.
Used iteritem() where possible to save creating a long key list and
   to save redundant lookups.
Expanded .update() to look for the most helpful methods first and gradually
   work down to a mininum expected interface.
Expanded documentation to be more clear on how to use the class.

Py_Init crash".  refchain cannot be cleared because objects can live across
Py_Finalize() and Py_Initialize() if they are kept alive by circular
references.

Closes SF bug #639170.

Fix pychecker warnings, port arg was unused (it was always the default)
Need a global statement for _listener