PdfCook v0.4.4

Changelog :

v0.4.4 : fixed : crash if pdf stream length is zero after decompress
v0.4.3 : fixed : crash due to negative object offset caused by wrong reading of xref stream
v0.4.2 : pdf_doc.cpp: add missing string literal
v0.4.1 : fixed #6 : crash due to char to int conversion error

PdfCook v0.4

Changelog :

• added : decryption support upto version 2 revision 3