Merge branch 'master' into Feature-ijoin
Closes #880. eval(parse(.)) issue in `j`
Handle "end" interval increment correctly for double.
Avoid segfault when uxrows=1 (even if it will/should never be 1).
Hooked fast `CsubsetDT` back in foverlaps.
Merge branch 'Feature-ijoin'

Conflicts:
	inst/tests/tests.Rraw