Combat and Magic Update

2 minor changes that I feel improve the overall game experience:

1. Minor Combat Update: I changed the flat TN16 combat save to a 11+1/2 Enemy Level. This makes low-level encounters easier, but higher level encounters harder, which I feel is appropriate. Additionally, I increased the follow-up attack penalty to -2, which makes being swarmed at high levels a very real danger. All other saves are still TN16.
2. I added in the MIND Save to keep magic running. I had that idea, and I had been running that idea, and I realized I never included that idea. So its in there now clearly rather than just being implied.