0.0.8
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* Updates to handle the 4.4 kernel CHIPs.  Numerous fixes to fix code issues.
* Added ability to get the XIO base into Python.
* Still need a proper overlay for Hardware PWM and SPI.

0.0.7
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* GPIO edge detection expanded to include AP-EINT1 and AP-EINT3 as those are the only other pins that support edge detection

0.0.6
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* Initial PWM
* GPIO edge detection and callback for XIO-P0 to XIO-P7 working

0.0.4
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* Initial Commit
* GPIO working - untested callback and edge detection
* Initial GPIO unit tests