Gaining karma by learning about_nil.rb

* In most other languages, nile or NULL is an 
  undefined thing, in Ruby, it's actually an 
  object.

 [4145935]
Gaining karma by learning about_nil.rb

* If an undefined method is called on nil, it
  will raise a MethodError with a message
  stating that that method is not found.

*Everyone else doesn't know it yet, but this is
  the most common error in Rails.
  
 
 [4145935]
Gaining karma by learning about_nil.rb

* The nil object has some methods defined on it.

 [4145935]
Merge pull request #2 from pwillikins/54145935_about_nil_master

about nil master

[Delivers #54145935]