Adding Intermeasurement period

Also adding examples for intermeasurement period. adding keywords for ROI functions

Added Custom User ROI

Added methods that allow for users to specify a custom array of SPADs to limit the field of view of the sensor array.

Added IntermeasurementPeriod changes

Merge pull request #11 from AndyEngland521/master

updating config block to only be called once

Added Calibration

Merge pull request #11 from AndyEngland521/master

updating config block to only be called once

Fixed issue 6

v1.0.1

Lib ver roll

v1.0.0

Adding OSHW comments