generate readme with verb

.verb.md

@@ -127,6 +127,15 @@ Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `We
 {%= docs("benchmark/last.md") %}
 ```
 
+## Release history
+
+### v4.0.0
+
+**Added**
+
+- `promise` support
+
+
 ## Optimizations
 
 In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:

README.md

@@ -10,8 +10,6 @@ Install with [npm](https://www.npmjs.com/):
 $ npm install --save kind-of
 ```
 
-## Install
-
 Install with [bower](https://bower.io/)
 
 ```sh
@@ -195,6 +193,14 @@ Note that performaces is slower for es6 features `Map`, `WeakMap`, `Set` and `We
 
 ```
 
+## Release history
+
+### v4.0.0
+
+**Added**
+
+* `promise` support
+
 ## Optimizations
 
 In 7 out of 8 cases, this library is 2x-10x faster than other top libraries included in the benchmarks. There are a few things that lead to this performance advantage, none of them hard and fast rules, but all of them simple and repeatable in almost any code library:
@@ -219,7 +225,7 @@ Pull requests and stars are always welcome. For bugs and feature requests, [plea
 
 | **Commits** | **Contributor** | 
 | --- | --- |
-| 59 | [jonschlinkert](https://github.com/jonschlinkert) |
+| 64 | [jonschlinkert](https://github.com/jonschlinkert) |
 | 2 | [miguelmota](https://github.com/miguelmota) |
 | 1 | [dtothefp](https://github.com/dtothefp) |
 | 1 | [ksheedlo](https://github.com/ksheedlo) |
@@ -258,4 +264,4 @@ Released under the [MIT License](LICENSE).
 
 ***
 
-_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 16, 2017._
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on May 19, 2017._