feat(Logs): allow configuration of logging levels (#80)

* feat(Logs): allow configuration of logging levels 
* docs(README): add python logging levels reference

Author: richardkeit

README.md

@@ -1,10 +1,12 @@
+[Python - Logging Levels]:https://docs.python.org/3/library/logging.html#levels
 # Stax SDK for Python
 `staxapp` is the [Stax](https://stax.io) Software Development Kit (SDK) for Python, allowing users to interact with the Stax platform.
 
 [![codecov](https://codecov.io/gh/stax-labs/lib-stax-python-sdk/branch/master/graph/badge.svg)](https://codecov.io/gh/stax-labs/lib-stax-python-sdk)
 ![build](https://github.com/stax-labs/lib-stax-python-sdk/workflows/build/badge.svg)
 ![deploy](https://github.com/stax-labs/lib-stax-python-sdk/workflows/deploy/badge.svg)
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/staxapp)
+
 ## Authentication
 In order to use the Stax SDK for Python, you will need a valid [Stax API Token](https://www.stax.io/developer/api-tokens/).
 
@@ -31,6 +33,21 @@ Allows configuration of the threshold to when the Auth library should re-cache t
 export TOKEN_EXPIRY_THRESHOLD_IN_MINS=2 # Type: Integer representing minutes
 ~~~
 
+##### Logging levels
+
+As the logging levels are set on the import of the `Config` module, the below configuration is available on the presense of following environment variables:
+
+- LOG_LEVEL: Default logger level
+
+Value of environment variables should match [Python - Logging Levels]
+
+Example:
+Changing the logging from `INFO` to `DEBUG`
+~~~bash
+export LOG_LEVEL=DEBUG
+python run_example.py
+~~~
+
 ## Usage
 
 ### Read Accounts

staxapp/config.py

@@ -7,7 +7,7 @@
 import staxapp
 from staxapp.exceptions import ApiException
 
-logging.getLogger().setLevel(logging.DEBUG)
+logging.getLogger().setLevel(os.environ.get("LOG_LEVEL", logging.INFO))
 
 
 class Config: