v4.2.0

• Added Add database downgrade steps to FAQ [#1070]
• Added Bijhouden van veranderingen meterstatistieken [#920]

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• Changed Improved datalogger debug logging [#1067]
• Changed Reworked datalogger connection [#1057]
• Changed Upgrade to Django 3.1 (includes new sidebar in admin) [#1082]

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• Fixed Prevent overlapping dates in energy contracts [#1012]