Change CHANGELOG format for next release, and add pending changes (#1022

)

* Change CHANGELOG format for next release, and add pending changes

* Move markdown links to bottom of file

CHANGELOG.md

@@ -1,3 +1,21 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). (Format adopted after v3.0.0.)
+
+## [Unreleased] (date goes here)
+
+### Added
+
+* Table of Contents to README ([#1010])
+* .name and .usage to README ([#1010])
+
+### Fixed
+
+* help for sub commands with custom executableFile ([#1018])
+
 3.0.0 / 2019-08-08
 =================
 
@@ -47,20 +65,6 @@ program
   .command('action2', { noHelp: true }) // Correct
 ```
 
- [#599]: https://github.com/tj/commander.js/issues/599
- [#611]: https://github.com/tj/commander.js/issues/611
- [#697]: https://github.com/tj/commander.js/issues/697
- [#795]: https://github.com/tj/commander.js/issues/795
- [#915]: https://github.com/tj/commander.js/issues/915
- [#938]: https://github.com/tj/commander.js/issues/938
- [#963]: https://github.com/tj/commander.js/issues/963
- [#974]: https://github.com/tj/commander.js/issues/974
- [#980]: https://github.com/tj/commander.js/issues/980
- [#987]: https://github.com/tj/commander.js/issues/987
- [#990]: https://github.com/tj/commander.js/issues/990
- [#991]: https://github.com/tj/commander.js/issues/991
- [#999]: https://github.com/tj/commander.js/issues/999
-
 3.0.0-0 Prerelease / 2019-07-28
 ==============================
 
@@ -473,3 +477,21 @@ program
 ==================
 
   * Initial release
+
+[#599]: https://github.com/tj/commander.js/issues/599
+[#611]: https://github.com/tj/commander.js/issues/611
+[#697]: https://github.com/tj/commander.js/issues/697
+[#795]: https://github.com/tj/commander.js/issues/795
+[#915]: https://github.com/tj/commander.js/issues/915
+[#938]: https://github.com/tj/commander.js/issues/938
+[#963]: https://github.com/tj/commander.js/issues/963
+[#974]: https://github.com/tj/commander.js/issues/974
+[#980]: https://github.com/tj/commander.js/issues/980
+[#987]: https://github.com/tj/commander.js/issues/987
+[#990]: https://github.com/tj/commander.js/issues/990
+[#991]: https://github.com/tj/commander.js/issues/991
+[#999]: https://github.com/tj/commander.js/issues/999
+[#1010]: https://github.com/tj/commander.js/pull/1010
+[#1018]: https://github.com/tj/commander.js/pull/1018
+
+[Unreleased]: https://github.com/tj/commander.js/compare/master...develop