1.1.0 (DD/MM/YY)
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* Autodetected (and configurable) target mapnik version
* Configurable logging format (#4)
* Detailed error on missing user metadata 
* Properly handle unauthenticated requests for metadata
* Accept "api_key" in addition to "map_key",
  both in query_string and POST body (#38)
* Add ./configure script

1.0.0 (03/10/12)
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* Migrated to node 0.8.x.

0.9.0 (25/09/12)
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* External resources in CartoCSS
* Added X-Cache-Channel header in all the tiler GET requests
* Small fixes