sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer
e3e6db5b1bf94fd78c5a1b9d872ea8dcb91a7b9c,"Automate interpretation of _Unsigned attribute (#1453)

* Add support for _Unsigned attribute

* Update docstrings with new unsigned behavior

* Cast to unsigned with copy instead of view, fixing infinite recursion. Move _Unsigned between attributes and encoding

* Fix default argument for is_unsigned

* Separate test for unsigned roundtrip

* Move unsigned support out of mask_and_scale, update whats-new

* Fix what's new date and add issue

* Putting enhancement in correct section of whats-new

* Turn off _FillValue support provided by PyNIO. Let xarray handle it.

* Convert _FillValue when _Unsigned is present

* PEP8

* No need to convert unsigned fill value if there is not fill value

* PEP8

* yet more PEP8

* Be more careful with _Unsigned attribute check

* Better fencing for attribute checks. Style fixes. Test for dtypes.",2017-07-28T17:39:04Z,2017-07-28T17:39:04Z,84d5176a51c19ce6876ac9eeec3669b77d957049,f10b21bed2846b879806f87039b77245b18e7671,13221727,1325771,1217238