added ready medthod to producer interface and updated most existing producers
to work with it. The ready method allows future producers.

on close().

be recorded in the Zope/CHANGES.txt.

epoch, rather than days since 1901.  This makes

  DateTime(float(d))==d

their normal names.

as an offset in seconds from the epoch.  This means that

  DateTime(float(d)) != d

where d is a DateTime.  This inequality often held before, or worse,
the above expression would often raise an error.

I also changed the timeTime method to always return a value
even if it might not be valid input to time.gmtime.

like:

  <!--#var aDateTime fmt="%Y-%m-%d"-->

a bug that would allow spaces in unquoted cookies.

used the constructor.

__module__ attribute for builtin functions.
Waaaaaa!

like it to be.  Oh well.  At least it's better than it was.

it handles relative paths and paths starting with '.' and '..'.