* adding ability to use proxy servers

* added tests for changes

* code style fixes

* trying to fix building

* another try

* fix dependencies and tests

* change readme

* fix readme

* grammar fix

* remove proxy servers and add tags for servers

* code style fixes

* code style fix

* add missing tests

* fix test

* add missing tests

* fix method name in readme

* some refactoring

* refactor variables name with random server hostname