Change to release build+add xml documentation

with support for Microsoft.Sourcelink.Github ; even if debugging the release, VS will decompile binary and download the source code to allow you to step through it.

By including the xml documentation, intellisens will now give pop-up help for all methods

Gain-scheduled models

support for new model type, where a nonlinear system is modelled as peicwise linear between different thresholds.

Model is supported by the PlantSimulator, and an inital version of an identification model for said model type is implemented

Release v1.2.44

v.1.2.44

Ability to estimate disturbances also when PID setpoint is changing

• by means of a newly developed global search method in ClosedLoopEstimation.