Update version 0.8.2.dev3 -> 0.9.0

Changes
-------
* Support only python 3.5+

New Features
-----------
* Add `ChainStrengthWarning`, `EnergyScaleWarning`, `TooFewSamplesWarning`
* Support `dwave setup` command
* Support for Leap2's hybrid sampling service through the new `LeapHybridSampler`

Author: arcondello

dwave/system/package_info.py

@@ -15,7 +15,7 @@
 # =============================================================================
 __all__ = ['__version__', '__author__', '__authoremail__', '__description__']
 
-__version__ = '0.8.2.dev3'
+__version__ = '0.9.0'
 __author__ = 'D-Wave Systems Inc.'
 __authoremail__ = '[email protected]'
 __description__ = 'All things D-Wave System.'