Validate input feature/locus strings.  Note that negative numbers are not allowed as input, the "-" separates start and end.  This is caught with a generic message.  Fixes #215
Validate input feature/locus strings.  Note that negative numbers are not allowed as input, the "-" separates start and end.  This is caught with a generic message.  Fixes #215

NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,NabaviLab/CNV-Visualizer,igvteam/igv.js,igvteam/igv.js