Add license info
Make Region method "overlaps" strand sensitive. Change arguments from hashref to array.
Create appropriate tests
Make Region method "contains" strand sensitive. Remove the percentage argument and change arguments from hashref to array.
Create appropriate tests
Remove offset behaviour from Region method "overlaps" and put it in "overlaps_with_offset"
Mark use of offset for "overlaps" as deprecated
Allow a DBIC collection to be filtered by length permanently