[Pharo-dev] [update 3.0] #30175

[Marcus Denker]

30175
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10812 CommandlineTestRunner >> #stderr is not returning properly
        https://pharo.fogbugz.com/f/cases/10812
        
10807 Scanning wrong token produces DNU
        https://pharo.fogbugz.com/f/cases/10807
        
10809 Path>>isAbsoluteWindowsPath: can be optimized
        https://pharo.fogbugz.com/f/cases/10809

Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Core-MarcusDenker.87.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/SUnit-UI-MarcusDenker.68.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/AST-Core-MarcusDenker.161.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/AST-Tests-Core-MarcusDenker.28.diff