[FEATURE] Adding GenomicRegion::toString.
[FEATURE] Adding basic intervals_io module.
[FEATURE] SmartFile for the intervals file format.
[FIX] Fixing const bug in _getClippedLength().
[FIX] Fixing realigner, skipping of consensus pseudo-read.
[API] Renaming intervals_io => simple_intervals_io etc.
[FIX] Fixing some div-by-zero issues.
Merge pull request #628 from holtgrewe/feature/fix-div-by-zero

[FIX] Fixing some div-by-zero issues.
Merge pull request #605 from holtgrewe/feature/intervals_io

Intervals I/O module
Merge pull request #629 from holtgrewe/develop

[FIX] Fixing syntax error in index_wotd.h.