text: #ifndef NEWSBEUTER_HISTORY__H
  #define NEWSBEUTER_HISTORY__H
  
  #include <vector>
  #include <string>
  
  namespace newsbeuter {
  
  	class history {
  		public:
  			history();
  			~history();
  			void add_line(const std::string& line);
  			std::string prev();
  			std::string next();
  			void load_from_file(const std::string& file);
  			void save_to_file(const std::string& file, unsigned int limit);
  		private:
  			std::vector<std::string> lines;
  			unsigned int idx;
  	};
  
  }
  
  #endif
  