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.
Minor, don't fire up Swing thread in CLI tests
Don't output "exec() finished with..." error message

It's useless because the result of the compiler is always evident (it outputs
either diagnostics or an exception stack trace)
Fix kotlinc command line usage information

Fix spelling, case, minor grammar
Don't output full compiler FQ name on -printArgs
Use hand-written usage information printer

Copy-pasted from com.sampullara.cli.Args
Beautify kotlinc -help output
Output to the current directory by default ("-output .")
Save executable flag of kotlinc-jvm and kotlinc-js after zip archiving