* Exports all the properties (that is the keys and their current values) as a JSON string. * @returns {String} a string representing th

* Validate the session token and return the username. If it isn't valid, then * throw an error... * @param token the JWT token to validate *

* Create a database _user directly by PUT the CouchDB instance * @param user the DatabaseUser to create

* Generate a random password in Base64 using crypto * @param length the number of bytes to generate

* Returns a database user object, fit for clusters * It appends the cluster id/ master to username and id * @param user the orginal username

* Creates a signed session token, create a database user with random password * and store the db user password into the password store. * @param

* Executes all given tasks until the executorKey has changed

* This method will download the first image from images which * size is the first element of sizes. If the image is almost a square * that is to

* * @param docId the document id, starting with or without artowrks/ * @param size the size, either large (300px) or small (64px)

* Create a new `app_user` * @param props the user props including username and password

* Create a function that will only call next if use token is valid