Upgraded to support more features.
We should call super because otherwise smart replacements and other things won't work.
New model version to add two new features.
Add the new 'stop on error' property.
Additional useful engines which appear on the website.
Add the new 'stop on error' property.
Minor bug fixes in the tear-down process.
Added a tearDown method.
Do a better job of setting up and tearing down.
When restoring files, try to get the correct encoding from the meta data on disk.
Remove old property.
Improvements to tear down process.
Renamed the cleanUp method
Release 2.2.10.