Limit reference frame jumps from ruler panel to chromosome bounds
Limit reference frame jumps from ruler panel to chromosome bounds

igvteam/igv,amwenger/igv,amwenger/igv,igvteam/igv,amwenger/igv,amwenger/igv,igvteam/igv,igvteam/igv,amwenger/igv,igvteam/igv