user-accounts is not working with Seneca versions later then 0.6.2

[KristinaMatuleviciute]

u.register({nick: 'u1', name: 'nu1', email: 'u1@example.com', password: 'u1', active: true})
^

TypeError: u.register is not a function
at Object. (/Users/kristina/Desktop/seneca-examplesMy/user-accounts/app.js:79:3)
at Module._compile (module.js:435:26)
at Object.Module._extensions..js (module.js:442:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:313:12)
at Function.Module.runMain (module.js:467:10)
at startup (node.js:136:18)
at node.js:963:3