Add tests for dimension.bottom.
Merge branch '1.1.0'
Merge branch 'master' into sort-nan

Conflicts:
	tesseract.min.js
Fix the wiki link.
Merge branch 'master' into sort-nan
Fix bisect.right for incomparable values.

This fixes dimension.filterExact(…) for incomparable values, since it
uses bisect.right.  Incomparable values are assumed to be at the end of
the array, as implemented in sort(…).  The existing bisect.left does not
need modifying.
merging jDavies sortNaN and union latest changes