30251
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2302 sorted and sorted: should be moved to TSortable
https://pharo.fogbugz.com/f/cases/2302(The image will have two dirty packages after this, we will fix that with the next update) Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Collections-Traits-MarcusDenker.15.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Collections-Sequenceable-MarcusDenker.138.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/Collections-Abstract-MarcusDenker.213.diff
