Cfgutils

What's Changed
* Add block similarity metric by mahaloz in https://github.com/mahaloz/cfgutils/pull/11


**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.8.1...v1.9.0

**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.8.0...v1.8.1

What's Changed
* Reimplement the Hu GED algorithm and rearrange ged module by mahaloz in https://github.com/mahaloz/cfgutils/pull/9


**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.7.0...v1.8.0

What's Changed
* Correct some code and add explainer func by mahaloz in https://github.com/mahaloz/cfgutils/pull/8


**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.6.0...v1.7.0

**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.5.0...v1.6.0

What's Changed
* Rollback all fixes to when SAILR was published by mahaloz in https://github.com/mahaloz/cfgutils/pull/6
* Revert SAILR rollback by mahaloz in https://github.com/mahaloz/cfgutils/pull/7


**Full Changelog**: https://github.com/mahaloz/cfgutils/compare/v1.3.0...v1.5.0