Fixed issue with PE checksum calculation when checking if checksum value is greater than 4 bytes long. This value must be adjusted for any value > or = 2**32.
Fixed issue with PE checksum calculation when checking if checksum value is greater than 4 bytes long. This value must be adjusted for any value > or = 2**32.

Tim-Sobolev/pefile,viper-framework/pefile,pombredanne/pefile,erocarrera/pefile,sebdraven/pefile,ShingYang/pefile,viper-framework/pefile,sebtoun/pefile