Scheduled weekly dependency update for week 18

[pyup-bot]

Update fontMath from 0.4.8 to 0.5.2.

Changelog

0.5.2

[mathInfo] Handle case when one subtraction operand is None and the attribute format is number list; in which case set result to None (175, 176, 177).

NOTE: version [0.5.1](https://github.com/robotools/fontMath/releases/tag/0.5.1) is deprecated.

0.5.1

[mathInfo] Handle case when one of subtraction operands is None and attribute format is number list; in which case, do nothing (175, 176).

0.5.0.post1

Fixed deployment of wheel packages from Travis.
It was using the wrong github repo URL.

0.5.0

Allow to customize rounding functions with ``setRoundIntegerFunction`` and ``setRoundFloatFunction`` (149).

0.4.9

Fix MathInfo results when data is incomplete

Links

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

[coveralls]

Coverage remained the same at 88.07% when pulling 3d316a9 on pyup-scheduled-update-2020-05-04 into e5b9b61 on master.

[pyup-bot]

Closing this in favor of #207