v2.0.0

• Rename the title of framework
• Rename the parameter for score, scores function.
• Fix bug OneHotEncoder class
• Update standard_rbf module with: RbfRegressor and RbfClassifier classes.
• Add advanced_rbf module with: AdvancedRbfNet, BaseAdvancedRbf, AdvancedRbfRegressor, and AdvancedRbfClassifier classes
• Update nia_rbf module with: NiaRbfRegressor and NiaRbfClassifier for regression and classification problems.
• Update rbf_tuner module with: NiaRbfTuner class.
• Add center_finder and kernel modules for advanced_rbf module.
• Update documentation, examples, test cases.
• Update citation, changelog, readme.