Update dateparser to 0.7.4

[pyup-bot]

This PR updates dateparser from 0.7.2 to 0.7.4.

Changelog

0.7.4

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Improvements:

* Fixed Python 2.7 tests

0.7.3

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New features:

* Extended Norwegian support (see https://github.com/scrapinghub/dateparser/pull/598)
* Implement a PARSERS setting (see https://github.com/scrapinghub/dateparser/pull/603)


Improvements:

* Add support for `PREFER_DATES_FROM` in relative/freshness parser (https://github.com/scrapinghub/dateparser/pull/414)
* Add support for `PREFER_DAY_OF_MONTH` in base-formats parser (see https://github.com/scrapinghub/dateparser/pull/611)
* Added UTC -00:00 as a valid offset (see https://github.com/scrapinghub/dateparser/pull/574)
* Fix support for “one” (see https://github.com/scrapinghub/dateparser/pull/593)
* Fix TypeError when parsing some invalid dates (see https://github.com/scrapinghub/dateparser/pull/536)
* Fix tokenizer for non recognized characters (see https://github.com/scrapinghub/dateparser/pull/622)
* Prevent installing regex 2019.02.19 (https://github.com/scrapinghub/dateparser/pull/600)
* Resolve DeprecationWarning related to raw string escape sequences (see https://github.com/scrapinghub/dateparser/pull/596)
* Implement a tox environment to build the documentation (https://github.com/scrapinghub/dateparser/pull/604)
* Improve tests stability (see https://github.com/scrapinghub/dateparser/pull/591, https://github.com/scrapinghub/dateparser/pull/605)
* Documentation improvements (see https://github.com/scrapinghub/dateparser/pull/510, https://github.com/scrapinghub/dateparser/pull/578, https://github.com/scrapinghub/dateparser/pull/619, https://github.com/scrapinghub/dateparser/pull/614, https://github.com/scrapinghub/dateparser/pull/620)
* Performance improvements (see https://github.com/scrapinghub/dateparser/pull/570, https://github.com/scrapinghub/dateparser/pull/569, https://github.com/scrapinghub/dateparser/pull/625)

Links

• PyPI: https://pypi.org/project/dateparser
• Changelog: https://pyup.io/changelogs/dateparser/
• Repo: https://github.com/scrapinghub/dateparser

[pyup-bot]

Closing this in favor of #12