Update exercises to match latest problem specifications

[ricemery]

• [x] acronym implemented version - 1.1.0 canonical version - 1.3.0
• [x] all-your-base implemented version - 1.1.0 canonical version - 2.2.0
• [x] allergies implemented version - 1.0.0 canonical version - 1.1.0
• [x] alphametics implemented version - 1.0.0 canonical version - 1.2.0
• [x] anagram implemented version - 1.0.1 canonical version - 1.2.0
• [x] atbash-cipher implemented version - 1.0.0 canonical version - 1.1.0
• [x] beer-song implemented version - 1.0.0 canonical version - 2.1.0
• [x] binary-search implemented version - 1.0.0 canonical version - 1.1.0
• [ ] binary-search-tree implemented version - created manually canonical version - 1.0.0
• [x] book-store implemented version - 1.0.1 canonical version - 1.3.0
• [x] bracket-push implemented version - 1.1.0 canonical version - 1.2.0
• [x] change implemented version - 1.1.0 canonical version - 1.2.0
• [x] clock implemented version - 1.0.1 canonical version - 2.2.1
• [x] collatz-conjecture implemented version - 1.1.1 canonical version - 1.2.0
• [x] connect implemented version - 1.0.0 canonical version - 1.1.0
• [x] crypto-square implemented version - 2.0.0 canonical version - 3.2.0
• [x] custom-set implemented version - 1.0.1 canonical version - 1.3.0
• [x] difference-of-squares implemented version - 1.1.0 canonical version - 1.2.0
• [x] dominoes implemented version - 2.0.0 canonical version - 2.1.0
• [x] flatten-array implemented version - 1.1.0 canonical version - 1.2.0
• [x] food-chain implemented version - 1.0.0 canonical version - 2.1.0
• [x] forth implemented version - 1.2.0 canonical version - 1.4.0
• [x] gigasecond implemented version - 1.0.0 canonical version - 1.1.0
• [x] hamming implemented version - 2.0.0 canonical version - 2.1.0
• [x] hello-world implemented version - 1.0.0 canonical version - 1.1.0
• [x] house implemented version - 1.0.0 canonical version - 2.0.0
• [x] isogram implemented version - 1.1.0 canonical version - 1.2.0
• [x] kindergarten-garden implemented version - 1.0.0 canonical version - 1.1.0
• [x] largest-series-product implemented version - 1.0.0 canonical version - 1.1.0
• [x] leap implemented version - 1.0.0 canonical version - 1.3.0
• [x] luhn implemented version - 1.0.0 canonical version - 1.1.0
• [x] matrix implemented version - created manually canonical version - 1.0.0
• [x] meetup implemented version - 1.0.0 canonical version - 1.1.0
• [x] minesweeper implemented version - 1.0.0 canonical version - 1.1.0
• [x] nth-prime implemented version - 1.0.0 canonical version - 2.1.0
• [x] nucleotide-count implemented version - 1.0.0 canonical version - 1.3.0
• [x] ocr-numbers implemented version - 1.0.0 canonical version - 1.1.0
• [x] palindrome-products implemented version - 1.0.0 canonical version - 1.1.0
• [x] pangram implemented version - 1.1.0 canonical version - 1.4.0
• [x] pascals-triangle implemented version - 1.0.0 canonical version - 1.3.0
• [x] perfect-numbers implemented version - 1.0.1 canonical version - 1.1.0
• [x] phone-number implemented version - 1.2.0 canonical version - 1.4.0
• [x] pig-latin implemented version - 1.1.0 canonical version - 1.2.0
• [x] prime-factors implemented version - 1.0.0 canonical version - 1.1.0
• [x] protein-translation implemented version - created manually canonical version - 1.1.0
• [x] queen-attack implemented version - 1.0.0 canonical version - 2.1.0
• [x] rail-fence-cipher implemented version - 1.0.1 canonical version - 1.1.0
• [x] raindrops implemented version - 1.0.0 canonical version - 1.1.0
• [x] rna-transcription implemented version - 1.0.1 canonical version - 1.2.0
• [x] robot-simulator implemented version - 1.0.0 canonical version - 2.2.0
• [x] roman-numerals implemented version - 1.0.0 canonical version - 1.2.0
• [x] saddle-points implemented version - 1.0.0 canonical version - 1.1.0
• [x] say implemented version - 1.0.0 canonical version - 1.1.0
• [x] scrabble-score implemented version - 1.0.0 canonical version - 1.1.0
• [x] secret-handshake implemented version - 1.1.0 canonical version - 1.2.0
• [x] sieve implemented version - 1.0.0 canonical version - 1.1.0
• [x] space-age implemented version - 1.0.0 canonical version - 1.1.0
• [x] spiral-matrix implemented version - 1.0.0 canonical version - 1.1.0
• [x] sublist implemented version - 1.0.0 canonical version - 1.1.0
• [x] sum-of-multiples implemented version - 1.1.0 canonical version - 1.2.0
• [x] triangle implemented version - 1.0.0 canonical version - 1.1.0
• [x] variable-length-quantity implemented version - 1.0.0 canonical version - 1.1.0
• [x] word-count implemented version - 1.0.0 canonical version - 1.2.0
• [x] wordy implemented version - 1.0.0 canonical version - 1.1.0
• [ ] zebra-puzzle implemented version - created manually canonical version - 1.1.0
• [ ] zipper implemented version - created manually canonical version - 1.0.0

[ricemery]

More updates

• [x] all-your-base implemented version - 2.2.0 canonical version - 2.3.0
• [ ] binary-search-tree implemented version - created manually canonical version - 1.0.0
• [x] clock implemented version - 1.0.1 canonical version - 2.2.1
• [x] grains implemented version - 1.0.0 canonical version - 1.1.0
• [x] house implemented version - 2.1.0 canonical version - 2.2.0
• [ ] zebra-puzzle implemented version - created manually canonical version - 1.1.0
• [ ] zipper implemented version - created manually canonical version - 1.1.0