Earlier quoted context omitted.
I don't think Assange is a partisan. He's Australian after all and has no stake in this election. I think he is releasing info on Hillary because that is what he has and is timing the release for maximum public exposure. If he had similar info on Trump, I firmly believe he would be doing the same thing.
It's pretty well known that Assange has a vendetta against Hillary Clinton. Just searching for Assange Clinton on Google brings up lots of articles on the subject.
This kind of language is common for propaganda and astroturfing.