Merge pull request #958 from alexliesenfeld/master

Added httpmock

README.md

@@ -644,6 +644,7 @@ See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust Tools](https://
 [[testing](https://crates.io/keywords/testing)]
 
 * [demonstrate](https://crates.io/crates/demonstrate) — Declarative Testing Framework [![Build Status](https://github.com/austinsheep/demonstrate/workflows/Continuous%20Integration/badge.svg?branch=master)](https://github.com/austinsheep/demonstrate)
+* [httpmock](https://github.com/alexliesenfeld/httpmock) — HTTP mocking [<img src="https://dev.azure.com/alexliesenfeld/httpmock/_apis/build/status/alexliesenfeld.httpmock?branchName=master">](https://dev.azure.com/alexliesenfeld/httpmock/_build/latest?definitionId=2&branchName=master)
 * [mockiato](https://crates.io/crates/mockiato) — A strict, yet friendly mocking library for Rust 2018 [<img src="https://api.travis-ci.com/mockiato/mockiato.svg?branch=master">](https://travis-ci.com/mockiato/mockiato)
 * [mutagen](https://crates.io/crates/mutagen) — A source-level mutation testing framework (nightly only) [<img src="https://api.travis-ci.org/llogiq/mutagen.svg?branch=master">](https://travis-ci.org/llogiq/mutagen)
 * [AlKass/polish](https://github.com/AlKass/polish) — Mini Testing/Test-Driven Framework [![Build Status](https://api.travis-ci.org/AlKass/polish.svg?branch=master)](https://travis-ci.org/AlKass/polish) [![Crates Package Status](https://img.shields.io/crates/v/polish.svg)](https://crates.io/crates/polish)