- feat(MarkersPlot): enhance subset handling for metadata columns
 - chore(MarkersPlot): default cluster_columns to FALSE for heatmap and dot plots
 - feat(MarkersPlot): improve handling of subset and comparison parameters
 - fix(MarkersPlot): fix when ident_2 is NULL while running FindMarkers
 - fix(MarkersPlot): correct variable reference for order_by in JitterPlot function
 
Full Changelog: 0.6.0...0.6.1