- Process now optionally wraps stdout/stderr from child process to
circumvent a python bug
- Added windows error number for port-in-use check
- fixed segv caused by lost QImage input in pyside
- GraphicsView.render now correctly invokes GraphicsScene.prepareForPaint
- Fixed RemoteGraphicsView renderer to use new PyQt QImage API.
- multiprocess.Process now pipes stdout/err directly to console when in debugging mode
- GraphicsItem.pixelVectors copies cached results before returning
- Multiprocess fixes for Windows:
- mmap/shm uses anonymous maps rather than tempfiles
- avoid use of getppid and setpgrp
- work around hmac authentication bug (use os.urandom to generate key)