Fixed crash with unloading window#2

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franc6 wants to merge 5 commits intoddwatson:masterfrom

franc6:crashfix

Commits on Dec 21, 2017

Fixed 12-hour clock
Tom Francis
committed
Added ability to show quiet time
Tom Francis
committed
Revert "Added ability to show quiet time"
Tom Francis
committed
Restored . to characterRegex
Tom Francis
committed

Commits on Jan 2, 2018

Fixed crash with unloading window
Tom Francis
committed