Dateparser

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New features:

- Add support for fractional units (876)

Improvements:

- Fix the returned datetime skipping a day with time+timezone input and PREFER_DATES_FROM = 'future' (1002)
- Fix input translatation breaking keep_formatting (720)
- English: support "till date" (1005)
- English: support “after” and “before” in relative dates (1008)

Cleanups:

- Reorganize internal data (1090)
- CI updates (1088)

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Improvements:

- Added support for negative timestamp (1060)
- Fixed PytzUsageWarning for Python versions >= 3.6 (1062)
- Added support for dates with dots and spaces (1028)
- Improved support for Ukrainian, Croatian and Russian (1072, 1074, 1079, 1082, 1073, 1083)
- Added support for parsing Unix timestamps consistently regardless of timezones (954)
- Improved tests (1086)

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Improvements:

- Fixed issue with regex library by pinning dependencies to an earlier version (< 2022.3.15, 1046).
- Extended support for Russian language dates starting with lowercase (999).
- Allowed to use_given_order for languages too (997).
- Fixed link to settings section (1018).
- Defined UTF-8 encoding for Windows (998).
- Fixed directories creation error in CLI utils (1022).

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New features:

* Support language detection based on ``langdetect``, ``fastText``, or a
custom implementation (see 932)
* Add support for 'by <time>' (see 839)
* Sort default language list by internet usage (see 805)

Improvements:

* Improved support of Chinese (910), Czech (977)
* Improvements in ``search_dates`` (see 953)
* Make order of previous locales deterministic (see 851)
* Fix parsing with trailing space (see 841)
* Consider ``RETURN_TIME_AS_PERIOD`` for timestamp times (see 922)
* Exclude failing regex version (see 974)
* Ongoing work multithreading support (see 881, 885)
* Add demo URL (see 883)

QA:

* Migrate pipelines from Travis CI to Github Actions (see 859, 879, 884,
886, 911, 966)
* Use versioned CLDR data (see 825)
* Add a script to update table of supported languages and locales (see 601)
* Sort 'skip' keys in yaml files (see 844)
* Improve test coverage (see 827)
* Code cleanup (see 888, 907, 951, 958, 957)

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Breaking changes:

* Drop support for Python 2.7 and pypy (see 727, 744, 748, 749, 754, 755, 758, 761, 763, 764, 777 and 783)
* Now ``DateDataParser.get_date_data()`` returns a ``DateData`` object instead of a ``dict`` (see 778).
* From now wrong ``settings`` are not silenced and raise ``SettingValidationError`` (see 797)
* Now ``dateparser.parse()`` is deterministic and doesn't try previous locales. Also, ``DateDataParser.get_date_data()`` doesn't try the previous locales by default (see 781)
* Remove the ``'base-formats'`` parser (see 721)
* Extract the ``'no-spaces-time'`` parser from the ``'absolute-time'`` parser and make it an optional parser (see 786)
* Remove ``numeral_translation_data`` (see 782)
* Remove the undocumented ``SKIP_TOKENS_PARSER`` and ``FUZZY`` settings (see 728, 794)
* Remove support for using strings in ``date_formats`` (see 726)
* The undocumented ``ExactLanguageSearch`` class has been moved to the private scope and some internal methods have changed (see 778)
* Changes in ``dateparser.utils``: ``normalize_unicode()`` doesn't accept ``bytes`` as input and ``convert_to_unicode`` has been deprecated (see 749)

New features:

* Add Python 3.9 support (see 732, 823)
* Detect hours separated with a period/dot (see 741)
* Add support for "decade" (see 762)
* Add support for the hijri calendar in Python ≥ 3.6 (see 718)

Improvements:

* New logo! (see 719)
* Improve the README and docs (see 779, 722)
* Fix the "calendars" extra (see 740)
* Fix leap years when ``PREFER_DATES_FROM`` is set (see 738)
* Fix ``STRICT_PARSING`` setting in ``no-spaces-time`` parser (see 715)
* Consider ``RETURN_AS_TIME_PERIOD`` setting for ``relative-time`` parser (see 807)
* Parse the 24hr time format with meridian info (see 634)
* Other small improvements (see 698, 709, 710, 712, 730, 731, 735, 739, 784, 788, 795 and 801)

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Improvements:

* Rename ``scripts`` to ``dateparser_scripts`` to avoid name collisions with modules from other packages or projects (see 707)