* Added ``__str__`` for ``HexBytes`` and ``IntStr``
0.1.6
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* Allowed ``HexBytes`` and ``IntStr`` be inited by duper
0.1.5
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* Removed log utils * Changed the way to get logger * Made all test infomation show in logs * Fixed a bug when websocket is close the task is not safely closed
0.1.4
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* Added Websocket new block subscribe
0.1.3
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* Added ``py.typed`` to export type infomation and support PEP561