use Exception instead of IOException on LRU cache methods
use Exception instead of IOException on LRU cache methods

tieusangaka/TileView,chiemy/TileView,zhangjie1980/TileView,rfdy/TileView,hgl888/TileView,lovely3x/TileView,mark-watkin/TileView,jinhui185190197/TileView,Androidbsw/TileView,qingsong-xu/TileView,b2b2244424/TileView