Add null handle checking in PageIterator Fixed #142
Add null handle checking in PageIterator Fixed #142

akorentlab/tesseract,bing6/tesseract,haf/tesseract.net,rmarinho/tesseract.net,anshul1912/tesseract-1,nguyenq/tesseract,Capibara-/tesseract,charlesw/tesseract,Fabsky/tesseract,haf/tesseract.net,beni55/tesseract