Add an IRC bot, and some Monad stuff
Add the rest of the probability example
implement `merge`. This joins the result of getProb

e.g.

GHCi> merge $ getProb flipThree

[(False,31 % 40),(True,9 % 40)]
See previous commit msg
Simplify probability code
Add two examples of zippers

`fileSystem.hs` includes examples of how to navigate the filesystem --- see `result`, `result2`, ...
Use Maybe type to model failure in moving around the treeZipper
Add the first two answers to the CIS184 Code Golf challenge
Modify localMaxima to use list comprehension and `tails` --- Much shorter!