Handle all known tag types in StackFrame.GetValues.
Handle all known tag types in StackFrame.GetValues.

Also add a few TODOs and slightly improve some logging.

Change-Id: Ib55945d2c2a15af7633640d5af712f291b5e498d

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst