py2store's mechanism of forwarding to dol

[thorwhalen]

Core functionality of py2store has been moved to dol -- py2store is set to become an aggregator of dol-libraries for various purposes. Essentially, what it has already become, but not implemented in the best way.

Right now, many modules of py2store (first level ones like trans, util, base...) still exist, but forward to dol. There's probably a cleaner way to do that -- perhaps in the __init__.py.

Would doing an from dol import trans in __init__.py do the same job as doing a from dol.trans import * in the trans.py of py2store, for instance?

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