enable "cache lifespan" in Redis cache
enable "cache lifespan" in Redis cache

TileStache/TileStache,SEL-Columbia/TileStache,jbants/TileStache,Kosta-Github/TileStache,Blechhirn/TileStache,Blechhirn/TileStache,Billups/TileStache,TileStache/TileStache,jbants/TileStache,Kosta-Github/TileStache,jbants/TileStache,MetGIS/TileStache,Billups/TileStache,MetGIS/TileStache,Blechhirn/TileStache,Billups/TileStache,TileStache/TileStache,SEL-Columbia/TileStache,Kosta-Github/TileStache,MetGIS/TileStache,SEL-Columbia/TileStache