* Reviewer comments (#39)
* Copula correction speedup (#40)
* Block any non-finite inputs (#41)
* Setup github actions (#42)
* Bugfix: Forbid transformed endogenous regressors not in model (#43)
* Remove single use helper functions (#44)
* hetErrorsIV: Breusch-Pagan test for weak instruments (#45)
* hetErrorsIV: new example data and checks for derived residuals (#46)
* Rectify comments and docu (#48)
* Setup gh-pages (#50)
* Update REndo vignette

Co-authored-by: Patrik Schilter <patrik.schilter@gmail.com>
Co-authored-by: Raluca Gui <raluca.gui@gmail.com>
Co-authored-by: Markus Meierer <meierer@outlook.com>