Updating changelog and readme

HISTORY.md

@@ -1,6 +1,9 @@
 # React-Select
 
 ## Next
+* fixed; changing `required` prop from `true` to `false` now works as expected, thanks [George Karagkiaouris](https://github.com/karaggeorge)
+* added; new prop `onSelectResetsInput` controls whether the input value is cleared when options are selected, thanks [David Roeca](https://github.com/davidroeca) and [Alexander Nosov](https://github.com/nosovsh)
+* fixed; tabindex parent bug fix for Edge, thanks [George Payne](https://github.com/George-A-Payne)
 * fixed; update selectize link in README.md, thanks [kerumen](https://github.com/kerumen)
 * added; standard issue template, thanks [agirton](https://github.com/agirton)
 * added; new build process using rollup and webpack. Removed grunt. thanks [gwyneplaine](https://github.com/gwyneplaine)
@@ -13,7 +16,6 @@
 * fixed; readme typo, thanks [ieldanr](https:/github.com/ieldanr)
 * fixed; add missing function binds in Option component, thanks [agirton](https://github.com/agirton) and [blacktemplar](https://github.com/blacktemplar)
 * fixed; re-added fix to [#1580](https://github.com/JedWatson/react-select/issues/1580), thanks [agirton](https://github.com/agirton)
-
 * fixed; avoid mutating user inputs when ignoring case/accents, thanks [not-an-aardvark](https://github.com/not-an-aardvark)
 * fixed; issues synchronising options props in `Async`, thanks [cbergmiller](https://github.com/cbergmiller)
 * fixed; backspace handling for non-multi select controls, thanks [Jeremy Liberman](https://github.com/MrLeebo)

README.md

@@ -389,6 +389,7 @@ function onInputKeyDown(event) {
 | onInputChange | func | undefined | onInputChange handler/interceptor: `function(inputValue: string): string` |
 | onInputKeyDown | func | undefined | input keyDown handler; call `event.preventDefault()` to override default `Select` behavior: `function(event) {}` |
 | onOpen | func | undefined | handler for when the menu opens: `function () {}` |
+| onSelectResetsInput | bool | true | whether the input value should be reset when options are selected, for `multi`
 | onValueClick | func | undefined | onClick handler for value labels: `function (value, event) {}` |
 | openOnFocus | bool | false | open the options menu when the input gets focus (requires searchable = true) |
 | optionRenderer | func | undefined | function which returns a custom way to render the options in the menu |