Exception => StandardError 
Exception => StandardError 

http://blog.honeybadger.io/ruby-exception-vs-standarderror-whats-the-difference/
https://robots.thoughtbot.com/rescue-standarderror-not-exception
http://stackoverflow.com/questions/10048173/why-is-it-bad-style-to-rescue-exception-e-in-ruby
cyberfox/Paw-RubyMotionCodeGenerator,luckymarmot/Paw-RubyNetHTTPCodeGenerator