### System information - **OS version/distro**: 2016 - **.NET Version (eg., dotnet --info)**: 2.0 ### Issue - **What did you do?** Trying to use `new TextLoader<IrisData>(dataPath, separator: ",")` in 0.2.0 - **What happened?** Shows error - **What did you expect?** Please give a documentation for new changes in 0.2.0 ### Source code / logs Please paste or attach the code or logs or traces that would be helpful to diagnose the issue you are reporting.