Forgive my ignorance, but what is a 1+3 from AHRC?

In June I graduated from university with a BA (Hons) History degree with a 2:1. I need to do a History MA (and later a PhD) as I intend on becoming a lecturer, and I need help!

Is there any sort of funding available to me? I'm currently seeking work for between now and September 2008, which is when I hope to do an MA. However, I can only realistically save about £5,000 in that time, which will cover tuition fees but won't cover living expenses at all.

I'm desperate for advice!

Thanks,
JeffJefftyJeff