w01e02: toDigits
w01e03: doubleEveryOther
w01e04: sumDigits
w01e05: validate
w01e06: hanoi
w02: Fix Words import to work with package structure
w02e01: formableBy
w02e03: wordFitsTemplate
w02e04: wordsFittingTemplate
w02e05: scrabbleValueWord
w02e06: bestWords
w02e07: scrabbleValueTemplate