Parse PrimitiveClassReference arguments in AdvancedTamerTool and BasicTa...

...merTool. Include SINGLE in BuiltinMatlabClass.
Sorry, I think I commented in the wrong place (on the commit instead of the PR).

I think you could just use PrimitiveClassReference.valueOf instead of having this method (valueOf is automatically a method on all enums). The only difference is it would throw IllegalArgumentException instead of UnsupportedOperationException.