werner2101/python-osm — pull request #8 by marians (2013-04-10 15:10:35+00:00)
Title: From in32 to int64 node IDs

Since February 2013, OSM uses 64bit identifiers. See http://wiki.openstreetmap.org/wiki/64-bit_Identifiers

I ran into a bug creating a multipolygon for several cities, since the node ids became negative. This fixes the issue.