version 0.1
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this should provide basic editing facilities

* new file tab POST support
* complete user interface documentation (home content and about and help tabs)
* HTML editor integration

version 0.2
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this should provide file locking and user configuration

* lock files automatically
* unlock files automatically and on request

version 0.3
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this should provide a subset of the DeltaV protocol (DAV versioning)

* explicitly create a new version
* view a specific version
* overwrite the current version with an old one
* remove the newest version

version 0.4
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this should provide a subset of the DASL protocol (DAV searching)

* search a subtree for objects with a specific property

version 0.5
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this should provide a 'front end' for the system, a client-side javascript
that is capable of displaying DAV resources in a highly dynamic way, a
framework to build client-side applications with a DAV interface