Fixed an error due to wrong variable name in the MT5 trimmer.
3.0.0beta
**NOTE: This update is non-compatible with older code, and requires you to change your import statements.**
**Changelog:** 1. Fixed variable name (issue 1) for MBart and BaseTrimmer 2. Fixed example code in the README.md 3. Fixed issues with setup 4. Refactored code to have a more consistent naming scheme