Fixed 2 bugs
2013-09-30 - fixed bug in GetNodeInBboxByCluster on bbox were out of clustered bbox
2013-09-30 - added consts FORCEWAYSPEED, TRUNK_TYPE, TRUNK_LINK_TYPE and LOAD_NOROUTING
2013-10-01 - fixed deadlock in DouglasPeucker_chain and _split on isolated two-road cycle
2013-10-01 - added CombineDuplicateEdgesAll()
2013-10-02 - added loading of mp Type field, controlled by const LOAD_TYPE
2013-10-02 - added loading of polygons
2013-10-02 - fixed ExpandBbox for beyond +-89 degrees
2013-10-03 - fixed loading of mp Type if no comments
2013-10-08 - changed control consts to Control_* variables
2013-10-08 - added Control_TrunkLinkType