* Add optional encoding completion callback queue argument for multipart form upload

* Use queue argument of upload function when calling alternate upload function

Cocoadocs does not work anymore. To avoid a 404 when a user clicks the documentation url on cocoapods, you need to specify a url.

* Updates for 4.7.3 release.

* Update CHANGELOG.

* Update for Xcode 10 and Swift 4.2.

* Revert Travis update.

* Use HTTPS links in CHANGELOG

Update CHANGELOG to use HTTPS links instead of HTTP

* Use HTTPS links in CONTRIBUTING

Update CONTRIBUTING to use HTTPS links instead of HTTP

* Use HTTPS links in README

Update README to use HTTPS links instead of HTTP if supported

* Use HTTPS links in Usage.md

Update Usage.md to use HTTPS links instead of HTTP

* Update Gems.

* Version to 4.7.2.

* Update Changelog.

* Update Jazzy docs.

* Removes the old request to avoid endless growth.

* Add tests, update Travis.

* Update copyright to 2018.

* Version to 4.7.1, update CHANGELOG.

* More 2018 updates.

* Update Jazzy docs.

* Fix notification tests in Swift 4.1, add IDEWorkspace chcks.

* Update Travis for Xcode 9.3.

* Update project settings.

* Use Travis 9.3beta image.

Adds documentation for using self-signed certificates while connecting on localhost.

* extend userInfo-dict of .DidComplete-Notification to contain responseData of DataTasks

* ResponseBodyInNotification: fix unittests sometimes failing on travis ci

* Move templates into .github folder, in preparation for more.

* Update README to fix links geneated by Jazzy.

* Add configurable array parameter handling to URLEncoding.

* Add configurable boolean parameter handling to URLEncoding.

* Addressing PR feedback for URLEncoding.

* Documentation for BoolEncoding and ArrayEncoding options in URLEncoding.

Using String.count instead of String.characters.count
Fix typos in some test failure messages
Asserting nil and not nil with XCTAssertNil and XCTAssertNotNil

* Update for Swift 4.1 / Xcode 9.3.

* Update .travis.yml.

* Update Ruby/Travis.

* Clarify OS versions affected by download resume bug (#2389)

* Rephrase a bit.

* Prepare for 4.6.0 release.

* Match verbs to sections.

* Separate Usage section.

* Separate Advanced Usage.

* Adjust some spacing.

* Add separated files to Xcode.

* Add mapError and flatMapError to Response types.

* Update Travis system image to 9.1.

* Update systems for Travis.

* Cleanup whitespace.

* Separate Usage section.

* Separate Advanced Usage.

* Adjust some spacing.

* Add separated files to Xcode.

* Update Ruby dependencies and Jazzy docs.

* Update before merge.