html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/pull/749#issuecomment-183995753,https://api.github.com/repos/pydata/xarray/issues/749,183995753,MDEyOklzc3VlQ29tbWVudDE4Mzk5NTc1Mw==,5635139,2016-02-14T22:44:42Z,2016-02-14T22:44:56Z,MEMBER,"@shoyer Added What's New - cheers
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,132237664
https://github.com/pydata/xarray/pull/749#issuecomment-183556800,https://api.github.com/repos/pydata/xarray/issues/749,183556800,MDEyOklzc3VlQ29tbWVudDE4MzU1NjgwMA==,1217238,2016-02-13T01:36:36Z,2016-02-13T01:36:36Z,MEMBER,"@MaximilianR could please add a quick what's new note? otherwise this looks good to me
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,132237664
https://github.com/pydata/xarray/pull/749#issuecomment-181622564,https://api.github.com/repos/pydata/xarray/issues/749,181622564,MDEyOklzc3VlQ29tbWVudDE4MTYyMjU2NA==,1217238,2016-02-08T23:32:30Z,2016-02-08T23:32:30Z,MEMBER,"I recall discussing this and coming to the conclusion that any hashable object should be valid as dataset keys. Obviously, you need strings if you want to use standard serialization backends, but otherwise it's better to keep things flexible.
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,132237664
https://github.com/pydata/xarray/pull/749#issuecomment-181608305,https://api.github.com/repos/pydata/xarray/issues/749,181608305,MDEyOklzc3VlQ29tbWVudDE4MTYwODMwNQ==,2443309,2016-02-08T22:52:22Z,2016-02-08T22:52:22Z,MEMBER,"@shoyer - I don't remember which issue it was but I seem to remember implementing this on purpose. I think we were having trouble serializing and round-tripping with non string type labels.  Ring a bell? 
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