Release 1.16.0

Features

• Makes use of "Record Data in UTC" setting in Ewon to determine if timestamps are in UTC or local time
• Historical data points support new method for getting the timestamp as an ISO-8601 formatted string
• TimeZoneManager class for checking and managing the time zone offset
• Historical data EBD requests use relative time instead of absolute time
• Added method to get all instant values via EBD

Bug Fixes

• Corrected errors in multiple calculations of offset
• Corrected errors data point timestamps related to timezone change
• Added missing JavaDoc comments