Gaining Karma by learning about about_nil.rb

* The nil object is an Object. 

[#54145807]
Gaining Karma by learning about about_nil.rb

* Exception messages better understood. If an 
  undefined method is called on nil, it will 
  raise a NoMethodError with a message stating
  that that method is not found

* most common error in Rails

[#54145807]
Gaining Karma by learning about about_nil.rb

* The nil object has some  

[#54145807]
Merge pull request #1 from lukeaiken/54145807_about_nil_master

about nil master

[Delivers #54145807]
Fixed failing test in about_asserts.rb

* Learned that the assert method simply asks if the argument it is passed       	is true

* assert true # => passes

* assert false # => fails

[#54145805]
Fixed failing test in about_asserts.rb

* Learned that assert has a second optional
  argument that contains additional informations
  to help figure why the test is failing

* This can be helpful in debugging why a test
  failed


[#54145805]
Fixed failing test in about_asserts.rb

* Passing boolean options to assert will pass
  or fail based on whether the boolean is true
  or false

* assert_equal gives better error messages when
  the test fails, i.e. "____ expected but was ___"


[#54145805]
Fixed failing test in about_asserts.rb

* I like knowing what was expected instead of
  "assert failed, no message given". Not that
  helpful of an error message.

[#54145805]
Fixed failing test in about_asserts.rb

* Sometimes a value is just a value

[#54145805]
Merge pull request #2 from lukeaiken/54145805_about_asserts_master

about asserts master

[Delivers #54145805]