Release 1.22.0

- adds the changelog for 1.22.0
- updates the changelog for 1.21.0. some PRs were missed, as was mentioned here https://github.com/urfave/cli/pull/829#issuecomment-517968795
- closes https://github.com/urfave/cli/issues/867

CHANGELOG.md

@@ -4,6 +4,28 @@
 
 ## [Unreleased]
 
+## [1.22.0] - 2019-09-07
+
+### Fixed
+
+* Fix Subcommands not falling back to `app.ExitEventHandler` in [urfave/cli/pull/856](https://github.com/urfave/cli/pull/856) via [@FaranIdo](https://github.com/FaranIdo)
+
+### Changed
+
+* Clarify that altsrc supports both TOML and JSON in [urfave/cli/pull/774](https://github.com/urfave/cli/pull/774) via [@whereswaldon](https://github.com/whereswaldon)
+* Made the exit code example more clear in [urfave/cli/pull/823](https://github.com/urfave/cli/pull/823) via [@xordspar0](https://github.com/xordspar0)
+* Removed the use of python for internal flag generation in [urfave/cli/pull/836](https://github.com/urfave/cli/pull/836) via [@asahasrabuddhe](https://github.com/asahasrabuddhe)
+* Changed the supported go versions to `1.10`, `1.11`, `1.12` in [https://github.com/urfave/cli/pull/843](urfave/cli/pull/843) via [@lafriks](https://github.com/lafriks)
+* Changed the v1 releases section in the readme in [urfave/cli/pull/862](https://github.com/urfave/cli/pull/862) via [@russoj88](https://github.com/russoj88)
+* Cleaned up go modules in [urfave/cli/pull/874](https://github.com/urfave/cli/pull/874) via [@saschagrunert](https://github.com/saschagrunert)
+
+### Added
+
+* Added `UseShortOptionHandling` for combining short flags in [urfave/cli/pull/735](https://github.com/urfave/cli/pull/735) via [@rliebz](https://github.com/rliebz)
+* Added support for flags bash completion in [urfave/cli/pull/808](https://github.com/urfave/cli/pull/808) via [@yogeshlonkar](https://github.com/yogeshlonkar)
+* Added the `TakesFile` indicator to flag in [urfave/cli/pull/851](https://github.com/urfave/cli/pull/851) via [@saschagrunert](https://github.com/saschagrunert)
+* Added fish shell completion support in [urfave/cli/pull/848](https://github.com/urfave/cli/pull/848) via [@saschagrunert](https://github.com/saschagrunert)
+
 ## [1.21.0] - 2019-08-02
 
 ### Fixed
@@ -13,17 +35,24 @@
 * Fix handling `ShortOptions` and `SkipArgReorder` in [urfave/cli/pull/686](https://github.com/urfave/cli/pull/686) via [@baude](https://github.com/baude)
 * Fix args reordering when bool flags are present in [urfave/cli/pull/712](https://github.com/urfave/cli/pull/712) via [@windler](https://github.com/windler)
 * Fix parsing of short options in [urfave/cli/pull/758](https://github.com/urfave/cli/pull/758) via [@vrothberg](https://github.com/vrothberg)
+* Fix unaligned indents for the command help messages in [urfave/cli/pull/806](https://github.com/urfave/cli/pull/806) via [@mingrammer](https://github.com/mingrammer)
 
-### Added / Changed
+### Changed
 
-* Added _"required flags"_ support in [urfave/cli/pull/819](https://github.com/urfave/cli/pull/819) via [@lynncyrin](https://github.com/lynncyrin/)
 * Cleaned up help output in [urfave/cli/pull/664](https://github.com/urfave/cli/pull/664) via [@maguro](https://github.com/maguro)
+* Remove redundant nil checks in [urfave/cli/pull/773](https://github.com/urfave/cli/pull/773) via [@teresy](https://github.com/teresy)
 * Case is now considered when sorting strings in [urfave/cli/pull/676](https://github.com/urfave/cli/pull/676) via [@rliebz](https://github.com/rliebz)
+
+### Added
+
+* Added _"required flags"_ support in [urfave/cli/pull/819](https://github.com/urfave/cli/pull/819) via [@lynncyrin](https://github.com/lynncyrin/)
 * Backport JSON `InputSource` to v1 in [urfave/cli/pull/598](https://github.com/urfave/cli/pull/598) via [@jszwedko](https://github.com/jszwedko)
 * Allow more customization of flag help strings in [urfave/cli/pull/661](https://github.com/urfave/cli/pull/661) via [@rliebz](https://github.com/rliebz)
 * Allow custom `ExitError` handler function in [urfave/cli/pull/628](https://github.com/urfave/cli/pull/628) via [@phinnaeus](https://github.com/phinnaeus)
 * Allow loading a variable from a file in [urfave/cli/pull/675](https://github.com/urfave/cli/pull/675) via [@jmccann](https://github.com/jmccann)
 * Allow combining short bool names in [urfave/cli/pull/684](https://github.com/urfave/cli/pull/684) via [@baude](https://github.com/baude)
+* Added test coverage to context in [urfave/cli/pull/788](https://github.com/urfave/cli/pull/788) via [@benzvan](https://github.com/benzvan)
+* Added go module support in [urfave/cli/pull/831](https://github.com/urfave/cli/pull/831) via [@saschagrunert](https://github.com/saschagrunert)
 
 ## [1.20.0] - 2017-08-10
 
@@ -428,7 +457,8 @@ signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`.
 ### Added
 - Initial implementation.
 
-[Unreleased]: https://github.com/urfave/cli/compare/v1.21.0...HEAD
+[Unreleased]: https://github.com/urfave/cli/compare/v1.22.0...HEAD
+[1.22.0]: https://github.com/urfave/cli/compare/v1.21.0...v1.22.0
 [1.21.0]: https://github.com/urfave/cli/compare/v1.20.0...v1.21.0
 [1.20.0]: https://github.com/urfave/cli/compare/v1.19.1...v1.20.0
 [1.19.1]: https://github.com/urfave/cli/compare/v1.19.0...v1.19.1