drng.go

* Fix: fixed some error must be last param

* Refactor: continued refactoring according to golint

* Refactor: addresses more golint warnings

* Refactor: refactored error last

* Fix: fixed hive.go

* Refactor: refactored alot according to golang-ci-list

* Refactor: intermediary commit

* Refactor: refactored additional code according to golint-ci

* Refactor: continued to refactor according to golint

* Refactor: refactored according to golint

* Fix: fixed last golinter reports