Peter Serwylo ecd70c94b8 Be more defensive when checking cached downloads.
Attempt to fix #1172, but couldn't reproduce it. So instead made sure to
document in detail why such a defensive check was put in place.
2017-09-28 12:34:58 +10:00
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2017-09-27 23:03:11 +02:00
2017-05-31 17:29:40 +02:00