update Changes for release 64.6

Changes

@@ -7,16 +7,18 @@ release 64.6
    as CLI options for program qc for more flexibility for stand alone run
  - add new role for rna_seqc to implement ability to extract values from
    column other_metrics to be stored in ml warehouse database.
- - add tag_hops_power column to tag metrics
- - add tag_hops_percent column to tag metrics
+ - add tag_hops_power and tag_hops_percent columns to tag metrics
  - remove run_timeline component on the Illumina QC loader
  - stop generating DBIx class for run_timeline db table
  - remove unused methods of the run_graph Clearpress model
  - add new role for rna_seqc to implement ability to extract values from
    column other_metrics to be stored in ml warehouse database
  - changes for GbS genotype calling check 
- - tag_sniff handle separators in BC tags for dual-index runs
- - tag_sniff allow dual-index runs to be revcomped independantly
+ - tag_sniff
+    handle separators in BC tags for dual-index runs
+    allow dual-index runs to be revcomped independantly
+    when tag has a separator -t option operates on subtags
+    allowed to ignore an index when the BC tag contains a separator 
 
 release 64.5
  - qc outcomes model: code generalisation to simplify addition of