Python-dateutil

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- As reported by Mathieu Bridon, rrules were matching the bysecond rules
incorrectly against byminute in some circumstances when the SECONDLY
frequency was in use, due to a copy & paste bug. The problem has been
unittested and corrected.

- Adam Ryan reported a problem in the relativedelta implementation which
affected the yearday parameter in the month of January specifically.
This has been unittested and fixed.

- Updated timezone information.

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- Updated timezone information.

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- Fixed another parser precision problem on conversion of decimal seconds
to microseconds, as reported by Erik Brown. Now these issues are gone
for real since it's not using floating point arithmetic anymore.

- Fixed case where tzrange.utcoffset and tzrange.dst() might fail due
to a date being used where a datetime was expected (reported and fixed
by Lennart Regebro).

- Prevent tzstr from introducing daylight timings in strings that didn't
specify them (reported by Lennart Regebro).

- Calls like gettz("GMT+3") and gettz("UTC-2") will now return the
expected values, instead of the TZ variable behavior.

- Fixed DST signal handling in zoneinfo files. Reported by
Nicholas F. Fabry and John-Mark Gurney.

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- Fixed precision problem on conversion of decimal seconds to
microseconds, as reported by Skip Montanaro.

- Fixed bug in constructor of parser, and converted parser classes to
new-style classes. Original report and patch by Michael Elsdörfer.

- Initialize tzid and comps in tz.py, to prevent the code from ever
raising a NameError (even with broken files). Johan Dahlin suggested
the fix after a pyflakes run.

- Version is now published in dateutil.__version__, as requested
by Darren Dale.

- All code is compatible with new-style division.

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- Now tzfile will round timezones to full-minutes if necessary,
since Python's datetime doesn't support sub-minute offsets.
Thanks to Ilpo Nyyssönen for reporting the issue.

- Removed bare string exceptions, as reported and fixed by
Wilfredo Sánchez Vega.

- Fix bug in leap count parsing (reported and fixed by Eugene Oden).

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- Fixed rrule byyearday handling. Abramo Bagnara pointed out that
RFC2445 allows negative numbers.

- Fixed --prefix handling in setup.py (by Sidnei da Silva).

- Now tz.gettz() returns a tzlocal instance when not given any
arguments and no other timezone information is found.

- Updating timezone information to version 2005q.