ZODB cache size is an integer (number of objects), not a number of bytes.

Because this change wasn't made in ZODB (the right project), it got
lost when I stitched in ZODB 3.3.1a1 yesterday.

      - Collector #1655: fixed severe memory leak in TemporaryStorage

Work around for MSIE WebFolder view not properly showing modified and created date.  This is the same thing that Apache DAV does, FWIW.

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A RNFR (rename from) request was always responded
with a response 350 (succesful). We do now check if the 
source file really exists and return a 550 response in case
if it doest not.

Collector 1626: Don't raise Forbidden if we don't know what to do.  Instead, riase Unauthorized if _verifyObjectPaste fails in a way that we understand; let all other exceptions bubble to the top.

        full URL without query string as it appears within the location bar of
        the browser. The key has been added to provide a single key that is 
        available for vhosted and non-vhosted installations.

      - Collector #1605: VHM did not quote URLs

      - webdav.Resource: during COPY, manage_afterClone was called way
        too early, thus the object wasn't bound to the database and
        couldn't find a context. Changed to behave the same way as
        CopySupport.

        of pickle and by using the highest pickle protocol available
        instead of using ASCII pickles (patch by Dieter Maurer)

        numbers were not rendered correctly

"foo=bar; hmm; baz=gee" will give an empty value for 'hmm' instead of
silently discarding it and the rest of the string. (Thanks to 'sirilyan'
for the patch.)

bin/zopectl test now uses os.execv, instead os os.system, so that options with characters that needs shell quoting doesn't break the command.

Updated doc/UNITTEST.txt and lib/python/Testing/README.txt to reflect progress made since UNITTEST.txt was originally written.

specified in the Content-Type header. (Collector #1510)