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fixing "Simple Fun #181: Rounding"
upgraded "Domain name validator"
upgraded "List of all Rationals"
upgraded "Pattern Generator"
upgraded "Challenge Fun #14: Target Game"
upgraded some more
upgraded "One Line Task: Largest Rectangle"
upgraded "Product of two squares"
upgraded "PHP Immutable"
upgraded "Shortest Distance to a Character"
upgrading some kata that used assertEquals()
mentioning the breaking change stemming from undefined array keys
Catalog, Smallest possible sum, Connect 4
upgraded "Texting with an old-school mobile phone"
upgraded "League Player Rank"
upgraded "Pattern Generator (mirrored)"
upgraded "Screen Locking Patterns"
upgraded "Simplifying multilinear polynomials"
upgraded "Get angle between hour and minute hands"
Hamming weight / popcount
angle between clock hands
upgraded "Going to zero or to infinity?"
upgraded "Square Pi's"
upgraded "Esolang Interpreters #1 - Introduction to Esolangs and My First Interpreter (MiniStringFuck)"
upgraded "Positions average"