v0.4.0

Release notes:

• Supports loading the AixLib in OMEdit
• Uses MSL 3.2.2
• Includes the latest version of Annex60 Library
• Uses Annex60.ThermalZones.ReducedOrder as core models of ThermalZone and Multizone models
• Adds models for:
  • PV system
  • Boiler
  • Heat pump
  • Radiator
  • Thermal storage
  • CHP
• Fixes various minor bugs