New exercise: python allergies
Merge pull request #19 from sjakobi/allergies

New exercise: python allergies
Add atbash-cipher exercise
Add wordy exercise
Merge branch 'betegelse/new-exercises'
New exercise: minesweeper
Merge pull request #23 from betegelse/minesweeper
New exercise: ocr-numbers
Merge pull request #25 from betegelse/ocr-numbers
New exercise: secret-handshake
Merge pull request #26 from betegelse/secret-handshake
New exercise: pascals-triangle
Merge pull request #27 from betegelse/pascals-triangle
New exercise: pythagorean triplet
Merge pull request #28 from betegelse/pythagorean-triplet
Add meetup exercise
Merge pull request #31 from sjakobi/meetup

Add meetup exercise