multipage tiff for iterator testing
Tests for multipage tiffs
Don't close fd for multipage files
Allocate a new core image object for each frame, fixes problems with reusing palettes and image sizes
added ifd offset to the tiff decoder args, call TIFFSetSubDirectory
Testing the imagesequence module with the multipage tiffs
Partial fix for test failures, works on py2.x
fp.tell resyncs the python3 with the file pointer
Merge pull request #885 from wiredfool/tiff-seek-rebase

Fix for reading multipage TIFFs