Fix issue with low-level utility solveUserSEW().

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/IRanges@77535 bc3139a8-67e5-0310-9ffc-ced21a209358
Make 'showHeadLines' and 'showTailLines' robust to NA, Inf and numeric.


git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/IRanges@77634 bc3139a8-67e5-0310-9ffc-ced21a209358
Small change to solveUserSEW0() so now 'IRanges(start=integer(0), width=5)' and
'IRanges(end=integer(0), width=5)' work and return an empty IRanges object.


git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/IRanges@77734 bc3139a8-67e5-0310-9ffc-ced21a209358
Add get_showHeadLines() and get_showTailLines() helpers to handle NA, Inf and
non-integer values.


git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/IRanges@77780 bc3139a8-67e5-0310-9ffc-ced21a209358
Merge branch 'local-hedgehog'