Require pdf-isearch
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Added reading annotation support.
Added more documentation.
Changed outputting metadata dates to ctime.
Fixed type error.
Revert "Fixed type error."

This reverts commit 89f27977479c3a7579a47e55ba3ee672d45953c0.
Revert "Changed outputting metadata dates to ctime."

This reverts commit 094be6031248ba85b63a325607cda33f70f5d9e1.
Revert "Revert "Changed outputting metadata dates to ctime.""

This reverts commit f5c1ab3f8e2e77ea89ae6f8555b0601f2f955b82.
Revert "Revert "Fixed type error.""

This reverts commit ba5a6cc32432c9d666e098f8a8dfa8d090bd3abe.
Add aux.
Adjust for new time format.
Fixed time output.
Renamed pdf-util-pdf-image-size -> pdf-util-png-image-size.
Made it return nil, instead of error and made it work.
Renamed pdf-util-pdf-image-size -> pdf-util-png-image-size.
Made it return nil, instead of error and made it work.
Fix import.
Removed PDF buffer assertions from non-interactive functions.
Streamlined function pdf-util-save-window-scroll.
Renamed pdf-util-intersection-* functions.
Moved functions around.
General render/reconvert library.
Completed renaming pdf-utils-intersection-*.
New minor mode pdf-misc-auto-fit.
Changed default margin to 50.