Minor weekly updates

CodeTools.md

@@ -32,6 +32,7 @@ An overview of tools that will help improve your Go code
   - [Refactoring with go fmt](http://spf13.com/post/go-fmt/)
   - [gorename - easy refactoring](https://texlution.com/post/gorename/)
   - [Refectoring Tools](http://blog.ralch.com/tutorial/golang-tools-refactoring/) - An overview of refactoring tools for Go.
+  - [Quick renaming with gofmt](http://technosophos.com/2015/09/26/quick-go-hack-renaming-structs.html)
 
 ### Tools
 

GoUsers.md

@@ -116,7 +116,7 @@
   * [MalwareBytes](https://www.malwarebytes.org/) - [blog](http://marcio.io/2015/07/handling-1-million-requests-per-minute-with-golang/)
   * [MaxCDN](http://www.maxcdn.com) - [blog](http://blog.maxcdn.com/learned-stop-worrying-love-logs/)
   * [Medium](https://medium.com) - [blog](https://medium.com/medium-eng/how-medium-goes-social-b7dbefa6d413)
-  * [MediaMath](https://mediamath.com) - [github](https://github.com/MediaMath/grim)
+  * [MediaMath](https://mediamath.com) - [github](https://github.com/MediaMath/grim), [youtube](https://youtu.be/eDRoaxXerOM)
   * [Mendelics](http://www.mendelics.com) - [github](https://github.com/mendelics)
   * [Microcosm](http://www.microco.sm) - [slides](https://speakerdeck.com/mattcottingham/building-an-api-with-go-at-microco-dot-sm)
   * [Modcloth](http://www.modcloth.com) - [github](https://github.com/modcloth-labs)

whygo.md

@@ -2,6 +2,7 @@ Here's why: a list of people/organizations explaining why they use Go. This is p
 
 ## Why Go
 
+- [Sorry Ruby, I think I've fallen for Go](https://medium.com/@voxxit/sorry-ruby-i-think-i-ve-fallen-for-go-2e92ce1b356) _2015-09-26_
 - [Google Go: Why Google's programming language can rival Java in the Enterprise - Techworld](http://www.techworld.com/apps/why-googles-go-programming-language-could-rival-java-in-enterprise-3626140/) _2015-09-25_
 - [Moving to Three Languages](http://www.jaredwray.com/2015/09/15/moving-to-three-languages/) _2015-09-15_
 - [400 Days of Go](http://www.philipotoole.com/400-days-of-go/)