Perl extension for the libtiff library

Changes for 20

• Add TIFFTAG_XPOSITION and TIFFTAG_YPOSITION Closes RT #148337 (t/1.t fails with ImageMagick-7.1.1.8: Failed test 'tiffcmp') Thanks to Petr Pisar for the patch.
• Only run t/92_tiffinfo.t & t/93_tiff2pdf.t as AUTHOR tests Closes RT #148450 (92_tiffinfo.t and 93_tiff2pdf.t failes with perl 5.37.11)

MCE extension for sharing data supporting threads and processes

Changes for 1.882

• Bump MCE dependency to 1.886.
• Added dequeue_timed method to MCE::Shared::Queue.
• Fixed taint mode in MCE::Shared::Sequence _sprintf.

Various locking implementations supporting processes and threads

Changes for 1.009

• Improved reliability on the Windows platform.

Many-Core Engine for Perl providing parallel processing capabilities

Changes for 1.886

• Added dequeue_timed method to MCE::Queue.
• Fixed taint mode in MCE->printf and _sprintf.
• Improved reliability on the Windows platform.