Adding "journaling" option to `setup.py`.
Adding "journaling" option to `setup.py`.

Enables an optional ``--journal`` filename flag. When passed,
any system calls to a compiler will be "journaled" and stored
in the file passed.

Fixes #48, though some documentation and "verification" / "testing"
should be done as well (to prevent bitrot).

dhermes/bezier,dhermes/bezier,dhermes/bezier