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11143 Update Opal to latest version
https://pharo.fogbugz.com/f/cases/11143
11095 Array >> #elementsForwardIdentityTo:copyHash: More explicit tests and
comments
https://pharo.fogbugz.com/f/cases/11095
11007 Pharo 3 now uses mustBeBooleanInMagic: by default
https://pharo.fogbugz.com/f/cases/11007
Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tests-MarcusDenker.569.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/OpalCompiler-Tests-MarcusDenker.187.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Kernel-MarcusDenker.1513.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Collections-Sequenceable-MarcusDenker.140.diff