StreamEDS version 1.7.168 Released

StreamEDS version 1.7.168 Released.

Release notes:
-core: override font zero-width word separators with reasonable calculated value
-pdfin: add options to configure PDF dictionary handling
-pdfin: prefer abbreviated names in inline image dictionaries
-pdfin: create events for conflicting full vs. abbreviated names in inline image dictionaries
-pdfin: create events for invalid abbreviated names in stream dictionaries
-pdfin: support PDFs larger than 4GB
-pdfout: prevent zero-width or -height FontBBox, even though correct, to work around viewer errors