bug fixing on Dict and List classes, add Iterable constructor

core/src/processing/data/StringDict.java

@@ -68,6 +68,9 @@ public class StringDict {
     this.keys = keys;
     this.values = values;
     count = keys.length;
+    for (int i = 0; i < count; i++) {
+      indices.put(keys[i], i);
+    }
   }
 
 
@@ -79,6 +82,7 @@ public class StringDict {
   /** Remove all entries. */
   public void clear() {
     count = 0;
+    indices = new HashMap<String, Integer>();
   }