http://ruby-doc.org//core-1.8.7/Kernel.html#method-i-caller http://ruby-doc.org//core-1.8.7/Kernel.html#method-i-caller https://github.com/banister/method_sour

http://ruby-doc.org//core-1.8.7/Kernel.html#method-i-caller http://ruby-doc.org//core-1.8.7/Kernel.html#method-i-caller https://github.com/banister/method_source https://github.com/banister/method_source