Unexplained craft rotation and rotation problems

[Vortygont]

In flight mode after using timewarp sometimes craft starts rotate and its orbital velocity changes. It happens after each using of timewarp. Also when craft rotates using only reaction wheels its orbital and other parameters, like apo/periapsis, target distance, change while it rotates. Also there was bug when craft with sas starts rotate on surface after kerbals left it, maybe problem was in not sas I don't know

[Hecatonichosachoron]

I had a craft rotate out of control after activating SAS after re-docking.  A friend had a similar out of control rotation after re-boarding a Kerbal onto his ship on the Mun