- update to 1.3.0:
- support python 2.6, 2.7, 3.3+ and pypy - drop all other versions
- use tox for testing on different pythons
- Added support for the locale plural rules defined by the CLDR.
- Added `format_timedelta` function to support localized formatting of
relative times with strings such as "2 days" or "1 month" (ticket #126).
- Fixed negative offset handling of Catalog._set_mime_headers (ticket #165).
- Fixed the case where messages containing square brackets would break with
an unpack error.
- updated to CLDR 23
- Make the CLDR import script work with Python 2.7.
- Fix various typos.
- Sort output of list-locales.
- Make the POT-Creation-Date of the catalog being updated equal to
POT-Creation-Date of the template used to update (ticket #148).
- Use a more explicit error message if no option or argument (command) is
passed to pybabel (ticket #81).
- Keep the PO-Revision-Date if it is not the default value (ticket #148).
- Make --no-wrap work by reworking --width's default and mimic xgettext's
behaviour of always wrapping comments (ticket #145).
- Add --project and --version options for commandline (ticket #173).
- Add a __ne__() method to the Local class.
- Explicitly sort instead of using sorted() and don't assume ordering
(Jython compatibility).
- Removed ValueError raising for string formatting message checkers if the
string does not contain any string formattings (ticket #150).
- Fix Serbian plural forms (ticket #213).
- Small speed improvement in format_date() (ticket #216).
- Fix so frontend.CommandLineInterface.run does not accumulate logging
handlers (#227, reported with initial patch by dfraser)