"Then she asked me who I knew where I worked before. So I mentioned people I worked with and for. Apparently she used to work there. So she told me just to be fair she was going to call some people there and ask about my work habits etc. I said ok."
This is what I and most likely Sara are talking about. It is in very bad taste for her to ask this and could actually be a leading question to try and get you to incriminate yourself by not agreeing or trying to defend something you did.
I don't know the software world but there isn't a big company in the world anymore that doesn't train their people the only thing they can do is confirm that you worked there and the dates you did. There are numerous lawsuits that have been one when someone didn't get a job because of negative comments from a previous employer.
My bet is that she isn't going to call. If she was going to call she could have just called the people she knew and asked about you. Instead she asked you for the names of people. She was leading you to see how honest you would be.
