Simon Brynych

@russellhaering Hey Russell, do you plan to proceed with this PR please? That would help us a lot! 🙇🏻 Anyway I think that this PR lacks one extra piece of...

I've just created updated PR (with master) and from my POV with all necessary changes https://github.com/russellhaering/goxmldsig/pull/74

@dgrijalva don't you mind to merge one of fixes for audience as a []string, or string (as RFC says). This one looks like the best one to me.