- 0.2.1 (2020-04-14):
    - bugfix: CI/CD script did not run on updated containers
    - improvement: use XDG_CACHE_HOME instead of XDG_CONFIG_HOME
- 0.2.0 (2018-01-23):
    - feature: SentimentIdentifier().identifySentiment accepts dict
- 0.1.8 (2018-01-22): 
    - all functions implemented
