Merged PR 173: Implements API methods through right click + more (read desc)

- Implements API methods through right click
- Refactor events
- Refactor usage of setHistory and setHistoryCurrentStep into a single function
- Update ContainerOperations documentations
- Added AddContainers in order to add multiple containers + refactor AddContainer to use it
- Fix regression
- Fix AddContainer at index

public/workers/worker.js

@@ -9,7 +9,7 @@ const getCircularReplacer = () => {
       return;
     }
 
-    if (key === 'Symbols') {
+    if (key === 'symbols') {
       return Array.from(value.entries());
     }