Project init
building init of ALWorld, ALPoint
Done testInit
[Bug] testPointWithCoor failed
Done testChangePointState
Done drawing grid now
Merge branch 'feature/buildingWorld' into develop
draw default map
created folders(groups)
added ALPathExplorer
doing explore path
[Outline]added walker
building exploreShortestPathWithMap
building test of ALPathExplorer
[Debug] only explore (1,1), not from (2,1)
found shortest path now, but it was wrong
Merge branch 'feature/search' into develop
Done found shortest path
no shortest path now
fixed bug by NSMutableArray