Updated the readme for the API section installation and some tidy up

Author: jamesryanbell

readme.md

@@ -32,7 +32,8 @@ Wraith uses a json based configuration file that allows you specify a large numb
 Below is an example configuration file:
 
 	{
-		Optional name for the project, if supplied it will be used within the generated gallery only
+		Optional name for the project, if supplied it will be used within the generated
+		gallery only
 		"project": "Test",
 
 		Specify one or two domains
@@ -41,14 +42,17 @@ Below is an example configuration file:
 			"http://live.bbc.co.uk"
 		],
 
-		Engines supported are phantomjs and slimerjs but in theory any phantomjs based headless browser can be supported.
+		Engines supported are phantomjs and slimerjs but in theory any phantomjs based
+		headless browser can be supported.
 
 		To do cross browser testing specify one domain and two engines or your choice
 		"engines": [
 			"phantomjs"
 		],
 
-		Specify as many sizes as you wish. If no sizes are specified then the most popular sizes will be used based on the information provided by w3counter.com stats
+		Specify as many sizes as you wish. If no sizes are specified then the most
+		popular sizes will be used based on the information provided by
+		w3counter.com stats
 		"sizes": [
 			"320",
 			"768",
@@ -59,8 +63,8 @@ Below is an example configuration file:
 		"outputDir": "test/chrome/",
 
 		You can specify a list of paths to be used or you can crawl the site.
-
-		Note: If paths are provided they will take precedent and the spider file will be ignored.
+		Note: If paths are provided they will take precedent and the spider file
+		will be ignored.
 
 		"paths": [
 			"/",
@@ -70,15 +74,20 @@ Below is an example configuration file:
 			"/weather/"
 		],
 
-		If no paths are specified then a site crawl will take place and the results will be save in the location specified within this option
+		If no paths are specified then a site crawl will take place and the results
+		will be save in the location specified within this option
 		"spider": "spider/test.txt",
 
 		Limit the amount of concurrent processes
 		"maxConnections": 20
 	}
 
 ###API
-This is very basic at the minute but you can use wraith within your applications. At the minute there is only one option which is to run the application with a given config file and then run a specified callback but I am looking to expand this in the future.
+This is very basic at the minute but you can use wraith within your applications.
+
+At the minute there is only one option which is to run the application with a given config file and then run a specified callback but I am looking to expand this in the future.
+
+	npm install wraith --save-dev
 
 	var wraith = require('wraith');
 	var config = require('./config/chrome');
@@ -87,7 +96,8 @@ This is very basic at the minute but you can use wraith within your applications
 		console.log('Callback, do something else here!');
 	});
 
-	As the config is just an object you can change it at any point before calling the wraith function e.g.
+	As the config is just an object you can change it at any point before calling
+	the wraith function e.g.
 
 	config.maxConnections = 10;
 	config.quiet = true;