Experiment with replacing textual representation in classfile with method that builds the model

[mabbay]

Experiment with replacing textual representation in classfile with method that builds the model.
Note: This PR is based on changes from #272.

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Experiment with replacing textual representation in classfile with method that builds the model

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• 86dfc36: Aggregated work on Verifier and BytecodeLift deconstruction
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[PaulSandoz]

That's a good start, but i suspect what we need here is also a main method, so we can run this over many classes via some script. Thereby we get more (albeit manual) test exposure and can get statistics class file sizes before and after i.e. we can run the script over all the compiled test class files in lang and jdk.