v0.6.8

• Passes full predicate in CRUD operations instead of just the ID
• Removes file tokens when file is uploaded or removed
• Adds the "originalUrl" attribute to files imported from URLs
• Adds the "path" attribute to uploaded files corresponding to the relative URL of the file (#fix 78)
• Adds UploadFS.Store.prototype.getRelativeURL(path) to get the relative URL of a store
• Adds UploadFS.Store.prototype.getFileRelativeURL(path) to get the relative URL of a file in a store
• Adds UploadFS.addPathAttributeToFiles(where) to add the path attribute to existing files
• Unblock the UploadFS.importFromURL()
• Fixes file deletion during upload (stop uploading and removes temp file)