Merge pull request #340 from herby/placeholder-intention

No .wrapClassName abuse, intention-revealing .addClass.

js/boot.js

@@ -816,9 +816,9 @@ smalltalk.wrapClassName("Boolean", "Kernel", Boolean, smalltalk.Object);
 smalltalk.wrapClassName("Date", "Kernel", Date, smalltalk.Object);
 smalltalk.wrapClassName("UndefinedObject", "Kernel", SmalltalkNil, smalltalk.Object, false);
 
-smalltalk.wrapClassName("Collection", "Kernel", null, smalltalk.Object, false);
-smalltalk.wrapClassName("SequenceableCollection", "Kernel", null, smalltalk.Collection, false);
-smalltalk.wrapClassName("CharacterArray", "Kernel", null, smalltalk.SequenceableCollection, false);
+smalltalk.addClass("Collection", smalltalk.Object, null, "Kernel");
+smalltalk.addClass("SequenceableCollection", smalltalk.Collection, null, "Kernel");
+smalltalk.addClass("CharacterArray", smalltalk.SequenceableCollection, null, "Kernel");
 smalltalk.wrapClassName("String", "Kernel", String, smalltalk.CharacterArray);
 smalltalk.wrapClassName("Symbol", "Kernel", SmalltalkSymbol, smalltalk.CharacterArray, false);
 smalltalk.wrapClassName("Array", "Kernel", Array, smalltalk.SequenceableCollection);