Update coverage to 4.5.3

[pyup-bot]

This PR updates coverage from 4.5.2 to 4.5.3.

The bot wasn't able to find a changelog for this release. Got an idea?

Links

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

[codecov]

Codecov Report

Merging #35 into master will increase coverage by 1.06%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #35      +/-   ##
=========================================
+ Coverage   95.34%   96.4%   +1.06%     
=========================================
  Files           7       5       -2     
  Lines         558     389     -169     
=========================================
- Hits          532     375     -157     
+ Misses         26      14      -12

Impacted Files	Coverage Δ
anonapi/objects.py	100% <0%> (ø)	⬆️
anonapi/batch.py
anonapi/responses.py
anonapi/cli.py
anonapi/anon.py	95.31% <0%> (ø)

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