v1.13.1.0

v1.13.1.0

New features

1. improve all toys machinery: toys, jackknife, bootstrapping and significance
2. extend all tests for toys
3. add brute-force way to delete RooDataSet - needed for JAckknife and Bootstrap
4. add argument delete=False for dataset.bootstrap and dataset.jackknife method to delete the dataset
5. add new test test_fitting_dataset2.py to test interference of memory and jackknife/bootstraping
6. extend and improve machinery for toys
7. add std.string and std.string_view into string_types
8. improve attention printout from dataset/tree method project

Backward incompatible

Bug fixes

1. fix the typo in ostap/tools/tests/test_tools_reweight3.py
2. tiny fix for progress_bar
3. tiny fix for ostap.utils.basic.isatty