4 - check image file limits set by set_file_limits()
9 - handle slightly different warning from libtiff 4.x
10 https://rt.cpan.org/Ticket/Display.html?id=65268
12 - replace (imager|tony)@imager.perl.org in the doc, since I don't
13 plan to continue receiving mail at that address.
14 https://rt.cpan.org/Ticket/Display.html?id=68591
19 Split out from Imager.