Added more description to the README.md
Reordered tests for test_all and added special_attack task
Removed "," in Rakefile to fix syntax issue
Created special_attack and it's initial round of testing
Fixed :special_attack to :test_special_attack for :test_all in Rakefile
Added Creature#element for convient access to the CType#element
Added special_attack class and tests
Added tiredness, hunger, wins, losses, and total_battles to creature