Sinatra App as a Class - Why do this?

Sinatra App as a Class - Why do this?

References

Reference NO 1

http://www.sinatrarb.com/intro.html

Reference NO 2

http://stackoverflow.com/questions/15192265/sinatra-app-as-a-class-why-do-this

Reference NO 3

http://stackoverflow.com/questions/11333775/how-can-i-refactor-my-sinatra-app

Reference NO 4

http://yehudakatz.com/2009/08/26/how-to-build-sinatra-on-rails-3/

Reference NO 5

http://my.safaribooksonline.com/book/web-development/ruby/9781449306847/4dot-modular-applications/id2816648

Reference NO 6

https://github.com/resque/resque/issues/934

Reference NO 7

http://spitfiresky.com/blog/getting-started-with-sinatra.html

Reference NO 8

#EANF#