30421 ----- 11537 remove #classVersion methods and friends https://pharo.fogbugz.com/f/cases/11537 11664 SHA1>>#hashStream: should return a ByteArray of size 20 https://pharo.fogbugz.com/f/cases/11664 11663 remove ViewHierarchyExplorer https://pharo.fogbugz.com/f/cases/11663 Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Traits-MarcusDenker.570.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tools-MarcusDenker.1267.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tests-MarcusDenker.630.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Hashing-MarcusDenker.32... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Morphic-Base-MarcusDenker.117.... http://smalltalkhub.com/mc/Pharo/Pharo30/main/KernelTests-MarcusDenker.565.d... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Kernel-MarcusDenker.1619.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Files-MarcusDenker.ducasse.312...