[requires.io] dependency update on master branch

[dhedegaard]

No description provided.

[coveralls]

Coverage remained the same at 98.758% when pulling 15b1767 on requires-io-master into 57e28d0 on master.

[codecov-io]

Codecov Report

Merging #50 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #50   +/-   ##
=======================================
  Coverage   98.75%   98.75%           
=======================================
  Files           7        7           
  Lines         161      161           
=======================================
  Hits          159      159           
  Misses          2        2

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[coveralls]

Coverage remained the same at 98.758% when pulling c7942ba on requires-io-master into 57e28d0 on master.