Committing old exercise changes, with attempts to comment. Added type signature to phi_n functions in simple group theory exercise.
Committing old exercise changes, with attempts to comment. First two project Euler problems.
Committing old exercise changes, with attempts to comment. Many updates to typeclassopedia.
Committing old exercise changes, with attempts to comment. Many changes to tictactoe.
Committing old exercise changes, with attempts to comment. Initial commit of 99 Haskell problems. Appear to have completed the first eight.