Blocked tags gets filtered when user is logged in

    Change type of Embed on PM from string to Embed
    Fix generating warning for unmarshalling magic [true] response
    Fix parsing userVote field on favorite comment/link, it might have value of "true", "dig", "bury" or false or 1

* Create notifications urls builders and test

* Create notifications handlers, tested manually

Add support for profile handling

* Handle comments, initial commit

* Finish links comments handlers, add tests

* Pass pointer to unmarshaller instead of a copy

* Convert ids to uint type

* Create url builder test, add assertions for adding comment

* Fix url builder assertions

Convert all id fields to uint, unify naming convention to "Id"