Clean up the docs a bit
Update to tutorial.ipynb
Use minuit = Minuit() consistently
Use minuit = Minuit() consistently
Add comment about degenerate polynomial fit
fix typo
Clean up tutorial a bit

- no import *
- code formatting
For BinnedLH, add an argument *weighterrors*. It is for binned dataset where you want to manipulate each bin's error.
Replace a baseline figure where the normalization has been updated.
For BinnedLH, add an argument *weighterrors*. It is for binned dataset where you want to manipulate each bin's error.
Replace a baseline figure where the normalization has been updated.
pull from head
Merge branch 'master' of https://github.com/gitcheng/probfit
Fix ndof in chisq fit; allow blinding more than one parameter in BlindFunc
merge from upstream