Fix --dump when there are state variables.
Provide a way to force-deserialize an STable.

Sometimes, we get ordering dependencies with deserializing REPR data.
Now that we deserialize lazily, this can get us into trouble. Enable
fixing this by providing a mechanism for enforcing the dependency.
VMArray types depend on their element type.
Allow takeclosure to not force the code object.

We almost always immediately overwrite it anyway.
Fix data races in lazy deserialization.
Merge branch 'master' into moar-jit