[magick-users] performance of multi-page TIFF files

[omicronpersei8 at imagemagick.org]

> However, reading one page from the 59 page TIFF file takes about 2.5 
> minutes each, whereas reading one page from a 1 or 2 page TIFF file 
> takes about 15-30 seconds.

This problem is fixed in ImageMagick 6.3.1-7.