Merge rebuild

* FTW refactor (#41) fix 295 compatibility

* apply clang tidy

* use index instead of pointer for less memory usage

* remove wrong branch

why should it's parent be updated to itself?
checked blame, should be something wrong, but make this branch won't run, only correct part works

* Merge update function

* remove duplicate `findSet`

* remove duplicate `find`

* remove duplicate `addSet`

* merge heuristic routine

* fix object iterate issue

* fix object create issue

* apply clang tidy

* fix traditional not work in 295

* rebuild all to fix selection issue