Changelog for arithmoi-

If this renders badly as markdown, see the plain text version Performance tweaks for powerModInteger (~10%) and invertMod (~25%). Fix bug in psieveFrom Fix bug in nthPrime Fix bug in powerMod Relax bounds on array dependency for 7.4.* Fix copy-pasto (only relevant for 7.3.*) Fix imports for ghc >= 7.3 Added certificates and certified testing/factorisation Fixed doc bugs Elaborate on overflow, work more on native Ints in Eratosthenes First release