Deleted some commented lines.
Merge branch 'master' of https://github.com/fairmat/EquityModels
Merge branch 'master' of https://github.com/fairmat/EquityModels
Merge branch 'master' of https://github.com/fairmat/EquityModels
Merge branch 'master' of https://github.com/fairmat/EquityModels
Corrected estimators for the right manage of zero values as not available data.