v0.14.0

> Radial, RadialBargraph, RadialVertical, Linear
* Added initialisation parameter thresholdRising [def: true], to change
the threshold from the default rising
alert to a falling alert.
* Added method setThresholdRising(bool)
> Radial, RadialBargraph
* Added methods to set the threshold and user LED visibility:
.setLedVisible(bool), .setUserLedVisible(bool)
> RadialVertical, Linear, LinearBargraph
* Added method to set the threshold LED visibility: .setLedVisible(bool)