Merge pull request #89 from jsinglet/jsinglet/concurrency4

Concurrency 4

Author: jsinglet

.vscode/tasks.json

@@ -197,6 +197,8 @@
                 "Concurrency1",
                 "Concurrency2",
                 "Concurrency3",
+                "Concurrency4",                
+                "Concurrency5",                
                 "Conditionals",
                 "Const",
                 "DeadCode",