Substring and replace before/after first/last occurrence of delimiter.
StringBuilder builder and appendln
Minor. Cleanup test.
Minor. Update reference to issue.
Generalize zip(..) to merge(..) { t1, t2 -> ... }, add merge for maps.
Improve performance for addAll with type check for Collection
Set operations (distinct, union, intersect, subtract)
Implement equals for NumberRange in JavaScript.
Buildserver auto merge