Update tqdm to 4.28.0

[pyup-bot]

This PR updates tqdm from 4.25.0 to 4.28.0.

Changelog

4.28.0

- remove installation of man pages by default (460, 628)
- CLI:add `--manpath` option (629)
- documentation additions and fixes

4.27.0

- fix `str.isnumeric` 605
- fix `WeakSet` `KeyError` 548, 553, 596 -> 607
- stop `tqdm_notebook` description truncation 582 -> 599
- include `unit_scale` for `rate` 608
- add `auto` -> nowarning `autonotebook`
- add better postfix numeric formatting 621
- minor refactoring 609 -> 616
- update documentation
- add unit tests
- fix py26 CI

4.26.0

- fix `smoothing` (566 -> 601)
- `pandas` updates
 + address the `FutureWarning` in `pandas`, drop `pandas` test in py34, add in py37 (603)
 + support `pandas` `axis='index' or 'columns'` (570)
- minor documentation updates (597, 600, 606)
 + developer notes

Links

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

[coveralls]

Pull Request Test Coverage Report for Build 452

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 58.018%

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Totals
Change from base Build 446:	0.01%
Covered Lines:	4718
Relevant Lines:	8132

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💛 - Coveralls

[pyup-bot]

Closing this in favor of #108