GFF3 export: unstranded features and using analysis.gff_source
Created by: james-monkeyshines
Set the strand of unstranded features to '.' rather than '?'; and use gff_source from the analysis table, where available.
Created by: james-monkeyshines
Set the strand of unstranded features to '.' rather than '?'; and use gff_source from the analysis table, where available.