Moved iotools.RedirectedStreams to systemtools.
Moved iotools.IOManager to systemtools.

Moved iotools.RedirectedStreams to systemtools.

MILESTONE: iotools is now empty, and will be deleted in an upcoming commit.
Merged master.
Removed iotools.

Moved iotools.f() and iotools.z() temporarily to root __init__, although these
will be removed in a subsequent pass.