0.1.0
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* Change: Pressure readings now output as hPa rather than Pa
* Change: Removed hard calls to exit() to fix behaviour in IDLE
* Change: Defer device setup until methods are called
* Fix: Added delay to APA102 output to fix instability under high load

0.0.2
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* Bugfix: Fixed length calculation in print_number_str

0.0.1
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* Initial release

