Added goal_test(), path_cost(), get_result(), and actions() method for OnlineSearchProblem DataType. Also added LRTAStarAgentProgram DataType.
Added goal_test(), path_cost(), get_result(), and actions() method for OnlineSearchProblem DataType. Also added LRTAStarAgentProgram DataType.

aimacode/aima-julia,mikhail-j/aima-julia