- Increase size factor from 4 to 12 in MPEG_StreamSize, otherwise
  mpglib buffer queue grows.
- Add TRACE of mpglib buffer queue for conversion.

so that they can only be search on their start address

INFINFO_DEFAULT_SEARCH search flags.

confuse users by a not implemented functionality.
Add support for About codec control.

The tests (shellpath.c/testPersonal) already show that it can be either 
PT_FOLDER or PT_GUID. It's PT_GUID on WinXP.

Handle failure of CreateConnectionPoint on construction.