finished base ex33
finished extra credit for the while loop, one question left
finished extra credit
finished base ex35
finished ex35 n' refactoring
moved celsius_to_fahrenheit.rb up one directory
rename ex31_refactoring
finished base 3x39
finished base ex40
finished base ex41
moved the textes to instance variable hashes
better looking hash
ex42 classes not working yet
ex42 working
tidying things up
added a skeleton for project
added base ex47
base ex47
wrote ex47.rb, no test yet
fixed test relative path, first test