Started split test exercise.
Expanded split test application.
Expanded SplitTestGroup to calculate conversion rate range.
Removed 'calculate_' methods and refactored calculations.
Fixed issue where unassigned variables were used in calculations.
Fixed issue where unassigned variables were used in calculations.
Expanded test
Fixed and refactored SplitTestCalculator tests.
Added group comparison and confident? check to calculator.
Moved .gitignore to level_up_exercises root directory.
Added :name field to test group.
Modified split test calculator to require groups as input rather than conversion and view counts.
Added hound file.
Corrected test calls.
Added data querier.
Refactored/renamed some methods.
Added data querier class.
Added output formatting class.
Added main application code.
Fixed hound errors.
Added Chi-Square calculations.
Included Chi-Square confidence in output.
Fixed rubocop errors.
Modified calculator constructor parameters: 1 hash parameter to 2 SplitTestGroup parameters