week 10 and week 11 stubs and tests
week 11: add parseSExpr tests
week 11: add deriving Eq to Atom and SExpr (for tests)
added tests for localMaxima
toDigits and toDigitsRev impls
completion of exercises 1-4
hanoi implementation
improved doubleEveryOther impl
exercises 1-5, week 2
week 3: implementing 'skips' in terms of 'skip'
week 3: implementing 'localMaxima' in terms of 'chunk'
week 3: 'histogram' solution
Adding Week 6 stub
fun1' impl
map' in terms of foldl
WIP: fun2'
foldl (*) 1 is the same as product
fun2' implementation
xor implementation
WIP