Added summary table to linear and logistic
Finished clustered variance for linear and logistic
Fixed a small bug in cluster
Rewrite robust linear using plpythonu
Add output summary table
Rewrite robust logistic using plpythonu and clean code
Fix a typo bug (margins_mlogregr -> robust_variance_mlgoregr) and refactor parameter validation
Refactor robust mlogoregr
Minor fix
Fix an error introduced due to refactoring
Minor fix to drop summary table
Disabled the null validation for dependent variable
Fixed a minor bug
Small bugfix to ensure correct array is created
Cleaner way to create array string
Refactor marginal effects for logregr
Refactor part of marginal mlogregr (unfinished)
Finish refactoring (rewrite __sub_array as a C function)