add support for adding additional/cross certificates through -ac option
MSI: add support for remove-signature.
MSI: add support for verifying the signatures of MSI files.
MSI: add support for extracting signatures.
PE, MSI: implement -require-leaf-hash for CMD_VERIFY.
fix compilation warnings
update ChangeLog
updated supported features
add 'compile' to .gitignore
fix compilation without curl
support running osslsigncode on Windows
updated changelog
add support for '-askpass' and '-readpass <file>'
version 1.6
fix compilation problem with OpenSSL < 1.0.0
Add support for verifying nested signatures in PE files.
Add OpenSSL exception in license
removed unused variable