http://code.google.com/p/pharo/issues/detail?id=5772 completely removed FileDirectory from the image hence a rewrite of FileTree on top of FileSystem is needed in Pharo 2.0
The multitrait dataset isn't parsed correctly
E:\github\Rpackages\CTLmapping\D>mapctl -f=qtab -p=test/data/multi_phenotypes.qtab -g=test/data/multi
mapCTL: Correlated Trait Locus (CTL) mapping in D
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