Added as author for Peter Souter

Shiva Poudel · Shiva Poudel · commit b7990a5a1ef6 · 2015-07-21T20:33:41.000+05:45
@petems is assigned as the author. @stankevich can you give him the collaborator badge :)
diff --git a/README.md b/README.md
@@ -288,4 +288,4 @@ the collection you want to use (e.g., 'python27', 'python33', or
 
 ## Authors
 
-[Sergey Stankevich](https://github.com/stankevich) | [Shiva Poudel](https://github.com/shivapoudel) | [Garrett Honeycutt](http://learnpuppet.com)
+[Sergey Stankevich](https://github.com/stankevich) | [Shiva Poudel](https://github.com/shivapoudel) | [Peter Souter](https://github.com/petems) | [Garrett Honeycutt](http://learnpuppet.com)

Original file line number	Diff line number	Diff line change
`@@ -288,4 +288,4 @@ the collection you want to use (e.g., 'python27', 'python33', or`
`288`	`288`
`289`	`289`	`## Authors`
`290`	`290`
`291`		`-[Sergey Stankevich](https://github.com/stankevich) \| [Shiva Poudel](https://github.com/shivapoudel) \| [Garrett Honeycutt](http://learnpuppet.com)`
	`291`	`+[Sergey Stankevich](https://github.com/stankevich) \| [Shiva Poudel](https://github.com/shivapoudel) \| [Peter Souter](https://github.com/petems) \| [Garrett Honeycutt](http://learnpuppet.com)`