added Export specific pages from multipage TIFF without decoding the TIFF.
updated TIFMergeMultiFiles method that allow custom delimit substrings.
fixed the refresh desktop issue when call Zoom to Width, Zoom to Height.
updated OCR engine, the recognizing time will faster than old version 3 times when use OCRStartScan,OCR2SearchableMultipagePDF, OCR2SearchablePDF methods.
updated BarCode Reader engine, improved the recognizing quality.
fixed have not clear PDF Annotation issue. now add PDF Annotation and save to PDF file, then it will clear PDF Annotation.