Fiona

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- Fix messed up linking of README in sdist (39).

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- Fix broken installation of extension modules (35).
- Log CPL errors at their matching Python log levels.
- Use upper case for encoding names within OGR, lower case in Python.

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- Cythonize .pyx files (34).
- Work with or around OGR's internal recoding of record data (35).
- Fix bug in serialization of int/float PROJ.4 params.

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- Add function to get the width of str type properties.
- Handle validation and schema representation of 3D geometry types (29).
- Return {'geometry': None} in the case of a NULL geometry (31).

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- Silence the logger in ogrext.so (can be overridden).
- Allow user specification of record field encoding (like 'Windows-1252' for
Natural Earth shapefiles) to help when OGR can't detect it.

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- Accessing file metadata (crs, schema, bounds) on never inspected closed files
returns None without exceptions.
- Add a dict of supported_drivers and their supported modes.
- Raise ValueError for unsupported drivers and modes.
- Remove asserts from ogrext.pyx.
- Add validate_record method to collections.
- Add helpful coordinate system functions to fiona.crs.
- Promote use of fiona.open over fiona.collection.
- Handle Shapefile's mix of LineString/Polygon and multis (18).
- Allow users to specify width of shapefile text fields (20).