* Fixes incorrect return types in diff-delta and blob. Should be functions, not direct accessor properties. Also, `rawcontent` returns a wrapper around a Buffer, not a Buffer directly, as `content` does.
* updated package description and version
* fixed missing argument
* Updates jackrabbit types to export namespace for interface and type access. Adds missing options and arguments to a few methods.
* fixed linting issue
* revert changes to jackrabbit
