chore: Preparing for 3.8.0 release (#315)

* feat(release) bump version, update changelog, update py version

* updtae changelog note

* again updtae changelog note

Author: Mat001

CHANGELOG.md

@@ -1,5 +1,20 @@
 # Optimizely Python SDK Changelog
 
+## 3.8.0
+February 12th, 2021
+
+### New Features
+* New Features
+Introducing a new primary interface for retrieving feature flag status, configuration and associated experiment decisions for users ([#309](https://github.com/optimizely/python-sdk/pull/309)). The new `OptimizelyUserContext` class is instantiated with `create_user_context` and exposes the following APIs to get `OptimizelyDecision`:
+
+    - set_attribute
+    - decide
+    - decide_all
+    - decide_for_keys
+    - track_event
+
+For details, refer to our documentation page: https://docs.developers.optimizely.com/full-stack/v4.0/docs/python-sdk.
+
 ## 3.7.1
 November 19th, 2020
 

optimizely/version.py

@@ -11,5 +11,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version_info = (3, 7, 1)
+version_info = (3, 8, 0)
 __version__ = '.'.join(str(v) for v in version_info)

setup.py

@@ -27,7 +27,7 @@
     'Optimizely X Full Stack is A/B testing and feature management for product development teams. '
     'Experiment in any application. Make every feature on your roadmap an opportunity to learn. '
     'Learn more at https://www.optimizely.com/products/full-stack/ or see our documentation at '
-    'https://developers.optimizely.com/x/solutions/sdks/reference/index.html?language=python.'
+    'https://docs.developers.optimizely.com/full-stack/docs.'
 )
 
 setup(
@@ -50,6 +50,8 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
     ],
     packages=find_packages(exclude=['docs', 'tests']),
     extras_require={'test': TEST_REQUIREMENTS},