Changes in this release:
- `utf-8` encoding specified while reading the Emoji data CSV in order to avoid errors on systems with default formatting other than UTF-8.
- Support to detect multiple emojis in input text and return the sentiment rankings for the detected emojis with their positions in the input text.
- Added unit tests for all functionality using Python builtin `unittest` module.
- Minor tweaks and reformatting in code and comments.