Corrections

Correctly print IV + replace df_residual by dof_residual method

Update to Julia 0.7

v0.6.0

english

Parallel

v0.5.3

update to nonmissing

Update for StatsModels 0.22.0 and StatsBase 0.2.4

v0.5.2

Correct imports

Clusters

Correct bug for clustered standard errors