first set of TDD tests, and shell of class
Added tests for writing questions and answers to output files
Added more spec tests
Completed implementation and fixed up tests
Moved fast_pencil_quiz.rb into a lib directory and created a bin file to invoke the class.
Differentiated bad input error messages and test for them. fix how ARGV is set in spec test. Print output file names when not in spec test.
Merge branch 'master' of github.com:cedricdlb/fast_pencil_quiz