Squashed commit of the following:
Squashed commit of the following:

commit d8b03304cb025ab2569945b5384e08587560b974
Author: Paul Woolcock <11843015+phw198@users.noreply.github.com>
Date:   Mon Feb 15 21:15:22 2021 +0000

    Log error and ExchangeConnectionMode.
    #1143

commit 6e44e0f3e560251eb9c6bedf9fee03092647e830
Author: Paul Woolcock <11843015+phw198@users.noreply.github.com>
Date:   Sun Dec 27 20:08:17 2020 +0100

    Logging altered to catch full exception details.
    #1143

phw198/OutlookGoogleCalendarSync