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
Merge branch 'erin' of github.com:coopernurse/cis194 into erin
Merge branch 'erin' of github.com:coopernurse/cis194 into erin