Bump dev dependencies

Author: LinusU

README.md

@@ -102,8 +102,8 @@ require('source-map-support').install({
 });
 ```
 
-The module will by default assume a browser environment if XMLHttpRequest and window are defined. If either of these do not exist it will instead assume a node environment. 
-In some rare cases, e.g. when running a browser emulation and where both variables are also set, you can explictly specify the environment to be either 'browser' or 'node'. 
+The module will by default assume a browser environment if XMLHttpRequest and window are defined. If either of these do not exist it will instead assume a node environment.
+In some rare cases, e.g. when running a browser emulation and where both variables are also set, you can explictly specify the environment to be either 'browser' or 'node'.
 
 ```js
 require('source-map-support').install({
@@ -248,8 +248,8 @@ foo()
 Compile and run the file using the CoffeeScript compiler from the terminal:
 
 ```sh
-$ npm install source-map-support coffee-script
-$ node_modules/coffee-script/bin/coffee --map --compile demo.coffee
+$ npm install source-map-support coffeescript
+$ node_modules/.bin/coffee --map --compile demo.coffee
 $ node demo.js
 
 demo.coffee:3