* add a writer wrapper
* remove unused code
* read out the rest of the connection in client
* remove unused code
* no panic
* check response status code
* when there's partner id, we will not require an activation token for creating a new account
* create new token if user has a partner id on creation
* validate partner id first
* fix format
* remove unnecessary code
* display error message instead of reroute
* add more test
* add comments
* add comment
