NNetSimu 4.8

Version 4.8 of NNetSimu was released on May 20th 2023.

Bug fix:
 * In certain situations V4.7 created defect model files when saving

New features:
 * The scroll position in EEG monitor window is saved in the model file and recreated when loading the model

Previous version: NNetSimu 4.7

Succeeding version: NNetSimu 4.9 (not yet released)