Add a test for function overloading.

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branch : clangtypes
Fix constness on ObjectRef::operator== and improve doc comments for TupleUnpacker.

--HG--
branch : clangtypes
Add methods to Stream, making its use less verbose.

--HG--
branch : clangtypes
Implement constructor overloading.

--HG--
branch : clangtypes
Begin unifying class exports.

--HG--
branch : clangtypes
Make getters/setters class exports.

--HG--
branch : clangtypes