Adds ability to generate arbitrary `Date`s and `UUID`s#298

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svdo wants to merge 4 commits into

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svdo:more-arbitrary

Commits on Jun 29, 2020

Adds ability to generate arbitrary `Date`s and `UUID`s
Stefan van den Oord
committed
Updates travis config for Swift tools version 5.2
Stefan van den Oord
committed
Updates Linux distro to match that expected by Swift release
svdo
committed
Adds `allTests` member for Linux
Stefan van den Oord
committed