v4.0.1 - update readme

Author: tcoulter

README.md

@@ -10,14 +10,7 @@
 
 # INSTALL
 
-`testrpc` is written in Javascript and distributed as a Node package via `npm`. Make sure you have Node.js (>= v6.9.1) installed, and your environment is capable of installing and compiling `npm` modules.
-
-**macOS** Make sure you have the XCode Command Line Tools installed. These are needed in general to be able to compile most C based languages on your machine, as well as many npm modules.
-
-**Windows** See our [Windows install instructions](https://github.com/ethereumjs/testrpc/wiki/Installing-TestRPC-on-Windows).
-
-**Ubuntu/Linux** Follow the basic instructions for installing [Node.js](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions) and make sure that you have `npm` installed, as well as the `build-essential` `apt` package (it supplies `make` which you will need to compile most things). Use the official Node.js packages, *do not use the package supplied by your distribution.*
-
+`testrpc` is written in Javascript and distributed as a Node package via `npm`. Make sure you have Node.js (>= v6.9.1) installed.
 
 ```Bash
 npm install -g ethereumjs-testrpc

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ethereumjs-testrpc",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "bin": {
     "testrpc": "./build/cli.node.js"
   },