* Add aspect ratios configuration option
- Add new component for configurable aspect ratios
- Add options allowing for aspect ratios to use max option
- Update documentation to reflect aspect ratio functionality
- Refactor options to include in each relevant component
* Abstract UI components
- Created an ABC for our UI components
- Extract components to its own module
- Add concept of sorting including option and defaults
- Update test for _safe_opt when attr is None
- Change import structure to avoid circular imports
- Split code up, so it can be easily unit tested
- Add unit tests for utility functions
- Add different display options for percentages
- Add contribution section on README.md
