Support python 2.6 for csv file writing

Signed-off-by: Peter Portante <peter.portante@redhat.com>
Add instructions for Fedora 18 install.

Signed-off-by: Peter Portante <peter.portante@redhat.com>
Use SystemRandom where possible.

Addresses issue #91.

Signed-off-by: Peter Portante <peter.portante@redhat.com>
Merge pull request #84 from portante/fixes

Support python 2.6 for csv file writing