provide a means for the user to fix their input BED

[brwnj]

this would be based on the initial QC specs matching the spec. would need to re-read the user file and update the delimiter and newline accordingly.

[hdashnow]

Also optionally +1 the end position for 0-length intervals

[arq5x]

Well, -1 the start ;)

[brwnj]

I -= 1 the start now (c4fd41e), so when I get around to creating the download button this fix will already be present. this update will fix current intersections.