%task11-1 - added solution/dictionary.rb, Created class Dictionary
%task11-2 - Created method entries - getter,setter
%task11-3 - Created initialize, where @entries={}
%task11-4 - Added function 'add'
%task11-5 - Undefined variable Keys
%task11-5 - Added init Keys, return Keys
%task11-5 - Added into func add check if incoming hash without value(String type)
%task11-7 - Added include? method
%task11-8 - Added find method, but need to sort animal
%task11-9 - Undefined method split
%task11-10 - Need to sort list
%task11-11 - Done