Refactor search functionallity to use Sequel pagination

 #13
Fully works for users
Doesnt work for prints
Implement search using get params

 #13
Fully working print search
Merge branch 'master' into 13-refactor-search

Conflicts:
	bin/console
	config.ru
	controllers/prints_controller.rb
	controllers/users_controllers.rb
Enable paginate extension with the new workflow
Delete not used methods
Refactor code according to code review remarks
Merge pull request #27 from ANamelessBand/13-refactor-search

Refactor search. See #13.