Explorepy

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* Improve bluetooth connection UX
* Add more data in IMU packet
* Improve USB streaming

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* Deprecate support for Explore legacy devices
* Improve binary file conversion and stream parser algorithm

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* Hotfix impedance calculation

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* Fix critical bug in settings file modification
* Improve BT communication
* Disable impedance on fresh connection
* Introduce new sampling rates

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* Add USB streaming support
* Improve BT communication

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* Improve device connectivity
* Add text marker support