exercises from graham huttons book
more exercises
Merge branch 'master' of github.com:lostMohican/haskell_learnings

* 'master' of github.com:lostMohican/haskell_learnings:
  reverse
  snap framework init
  simple web
  test.hs modified
  simple project for password
  modified numbers
  using file io
  used when function
  asking to quit