Merge pull request #25 from ehelms/master

Changes debrief data to be saved after each operation step.
adding siege for nightly
Merge pull request #26 from jlsherrill/master

adding siege for nightly
adding patched nightly run
Merge pull request #27 from jlsherrill/master

New performance run with patched syncing code
Fixes bug where saving was calling the filename function
instead of using the instance variable set at creation time.