Fiona

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- New feature: support for GDAL version 2+ (259).
- New feature: a new fio-calc CLI command (273).
- New feature: `--layer` options for fio-info (316) and fio-load (299).
- New feature: a `--no-parse` option for fio-collect that lets a careful user
avoid extra JSON serialization and deserialization (306).
- Bug fix: `+wktext` is now preserved when serializing CRS from WKT to PROJ.4
dicts (352).
- Bug fix: a small memory leak when opening a collection has been fixed (337).
- Bug fix: internal unicode errors now result in a log message and a
`UnicodeError` exception, not a `TypeError` (356).

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- Raise ImportError if the active GDAL library version is >= 2.0 instead of
failing unpredictably (338, 341). Support for GDAL>=2.0 is coming in
Fiona 1.7.

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- No changes to the library in this post-release version, but there is a
significant change to the distributions on PyPI: to help make Fiona more
compatible with Shapely on OS X, the GDAL shared library included in the
macosx (only) binary wheels now statically links the GEOS library. See
https://github.com/sgillies/frs-wheel-builds/issues/5.

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- Daytime has been decreasing in the Northern Hemisphere, but is now
increasing again as it should.
- Non-UTF strings were being passed into OGR functions in some situations
and on Windows this would sometimes crash a Python process (303). Fiona
now raises errors derived from UnicodeError when field names or field
values can't be encoded.

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- Providing only PROJ4 representations in the dataset meta property resulted in
loss of CRS information when using the `fiona.open(..., **src.meta) as dst`
pattern (265). This bug has been addressed by adding a crs_wkt item to the`
meta property and extending the `fiona.open()` and the collection constructor
to look for and prioritize this keyword argument.

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- Bug fix: Fiona now deserializes JSON-encoded string properties provided by
the OGR GeoJSON driver (244, 245, 246).
- Bug fix: proj4 data was not copied properly into binary distributions due to
a typo (254).

Special thanks to WFMU DJ Liz Berg for the awesome playlist that's fueling my
release sprint. Check it out at https://wfmu.org/playlists/shows/62083. You
can't unhear Love Coffin.