Mapbox

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- Fix GeoJSON coordinates in directions (243).
- Add missing comma in setup requirements list (247).

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- Python 2/3 bugfixes (239)
- Add support for Maps v4 (228).

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- Added support for Directions v5 (203).
- The Mapbox Distance API is no more and the distance module has been deleted
(232). Users must use the DirectionsMatrix introduced in 0.15.
- Project documentation is now on Read the Docs:
https://mapbox-mapbox.readthedocs-hosted.com/en/latest/.

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- Restore the valid_profiles attribute needed by the Mapbox CLI's distance
command (219).

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- Add api_name and api_version class attributes (207).
- Add DirectionsMatrix class for access to the Matrix API V1 (212).
- Add support for sequences of geometries and coordinate pairs to read_points
(212).

Deprecations:

- 'account' keyword argument of `Uploader` class's `list()`, `delete()`,
and `status()` methods will be removed at 1.0. It is replaced by the
'username' keyword argument.
- The Distance class in mapbox.services.distance will be removed at 1.0.
In version 0.15 it is a facade for the new DirectionsMatrix class,
which should be used instead in all user code.

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- Permit images of size 1 and 1280 (196)
- Retina output for static map services (191)
- Add languages option to forward geocoder (192)
- Validate tileset name length (193)
- Copy env when Session is called.