Py-ubjson

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- Add support of UINT8 type for Draft-9 spec;
- Add support of CHAR type for Draft-9 spec;
- Optimize strings encoding with new types;
- Switch to BSD 2 clause license;

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- Fix compatibility with Python 3.x;
- Force binary strings have utf-8 charset on encoding;
- Improve UBJSON decoding performance;

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- Project refactoring and code cleanup;
- Raise overall performance for 100-400% times depending on test case;
- Update Draft-9 support to RC state: handle new containers markers;

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- Fix encoding of unsized objects;
- Fix pprinting containers with NoOp markers;
- Fix markers of integers values for Draft-9 spec;

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- Encode `set` and `frozenset` types;
- Experimental implementation of Draft-9 specification;
- Fix encoding of `dict` iterators;
- Support Python 3.x;

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- Add `simpleubjson.pprint` function to dump UBJSON data using ``[ ]``-notation;
- Allow decode standalone NoOp values;
- Encode `inf` and `-inf` values as `null`;
- Remove support of custom markers and handlers;
- Wrap `HUGE` values with `Decimal` class and encode `Decimal` instances back
to `HUGE`;