Add clean empty method for file choosing. Somebody(tm) really ought to make mvc versions of some of thee
=============== Diff against ToolBuilder-MVC-tpr.51 ===============
Item was added:
+ ----- Method: MVCUIManager>>chooseFileMatchingSuffixes:label: (in category 'ui requests') -----
+ chooseFileMatchingSuffixes: suffixList label: aString
+ "Let the user choose a file matching the given suffix list"
+ ^self notYetImplemented!