Columns re-arranging demo

Adding optional columns to the view: columns=cd:71,h,o:86,cntr,is

Dynamic columns re-arranging

Default (empty columns parameter)
Changing only columns widths (no "aln" column is the set): x:0,b:60,e:60,o:0
Re-arranging columns and changing column widths: d,x,o,aln,b:60,e:60