Prep 1.7.2 (pointfreeco#296)

Support Swift Tools Version 5.0 (pointfreeco#283)

1.6.0 (pointfreeco#253)

Proof-of-concept: pretty print URLRequest body when JSON (pointfreeco…

…#157)

* Pretty print json bodies in URLRequests.

* wip

* Update URLRequest.swift

* Update URLRequest.swift

* Update URLRequest.swift

* Update URLRequest.swift

* backward compatible api.

* fix compile error and use inline snapshot

Switch some let's to var's. (pointfreeco#189)

* Switch some let's to var's.

* add xcodegen as a dependency

Update README.md

Prep release for 1.1.0 (pointfreeco#148)

* Update README.md

* Update SnapshotTesting.podspec

Final prep for 1.0.0