haskell/matrix: Works except fromString for 'Matrix String'
haskell/matrix: fromString solved
haskell/matrix: some cleanup
haskell/etl: Improved readability?
haskell/leap: First working solution.
haskell/leap: Improved readability
haskell/nucleotide-count: Better readability with guards and mappend.
haskell/nucleotide-count: Even better readability with list concatenation instead of mappend.
haskell/nucleotide-count: Prepend instead of append for hopefully better performance.