I also had a problem with pitch, but it looked somewhat different then yours. I am gonna upload my settings later today.
Edit:
So my PID right now is:
ROLL POWER: 120
PITCH POWER: 80
ROLL: P: 12, I: 0.14, D: 20
PITCH: P: 12, I: 0, D: 20
When I set "I" for pitch it overcorrects and I don't...