New functions and enhancements as following: - General   - Enhace search in XML insteade of hard coded index for sum variables.   - Add more examples in documentations - findings   - findings now called once instantiate the class   - enhance findings with rating_table   - enahce documentations - implement mitigation_classification   - add list_by   - add statistics - start implementing recommendations   - need more work here
New functions and enhancements as following:
- General
  - Enhace search in XML insteade of hard coded index for sum variables.
  - Add more examples in documentations
- findings
  - findings now called once instantiate the class
  - enhance findings with rating_table
  - enahce documentations
- implement mitigation_classification
  - add list_by
  - add statistics
- start implementing recommendations
  - need more work here

KINGSABRI/nipper_parser,KINGSABRI/nipper_parser