Move constants LOW, HIGH, INPUT, OUTPUT to module
Move constants LSB/MSBFIRST and TTACH_INTERRUPT_MODE_* to module
Move utils to arduino_proxy.utils and pin status tracker
enhanceArduinoTypeStruct() returns status and FIX bug
Pyroserver: add cli and logging
FIX: clean cache when close instance
Log error if DjStorage couldn't be used
Add middleware to handle ConnectionClosedError
Move constants ATTACH_INTERRUPT_MODE_* to module