[update 1.3] #13134

13134
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Issue 3959: A little dead code removal SmalltalkImage
Issue 3962: More cleanup of PasteUpMorph
Issue 2561: findTokens: String lf , String cr
Issue 3966: String>>lines misses tests

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Marcus Denker  -- http://www.marcusdenker.de
INRIA Lille -- Nord Europe. Team RMoD.