Changelog
=========
Version 0.9
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* Initial Python 3 Support
* major changes

Version 0.8
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* test suite tool (test_machine.py)
* Initial TCP support

Version 0.7
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* internal major changes

Version 0.6
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* device password support

Version 0.5
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* bug fixed get_users bug

Version 0.4
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* bug fixed
* minor update
* update documentation

Version 0.3
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* add function `get_serialnumber` (return device serial number)
* add function `delete_user` (delete specific user by uid)
* add function `clear_data` (format device)
* add function `get_attendance` (get all attendance records)
* add function `clear_attendance` (clear all attendance records)

Version 0.2
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* add basic function and program fundamental
* configure pypi
* configure travis-ci integration

Version 0.1
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* project initialization