0.9

New in this release:

1. generator now supports creating symbolics in addition to copying files.
2. runner has --make-script and --dryrun for all backends.
3. runner now automatically determines the best backends.
4. runner now supports multiple includes and excludes.
5. collector now handles multiple data tables in a single result file.

Bug fixes:

1. generator now presreves file stats (such as execuation bits).