BN-12 now properly affects Bladeburner multipliers. Added polyfill in new JS interpreter for Array.includes. Fixed terminal not focusing with tab"

src/JSInterpreter.js

@@ -1012,6 +1012,47 @@ Interpreter.prototype.initArray = function(scope) {
   "}",
 "});",
 
+// Polyfill copied from:
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes#Polyfill
+"Object.defineProperty(Array.prototype, 'includes', {",
+    "value: function(searchElement, fromIndex) {",
+      "if (this == null) {",
+        "throw new TypeError('\"this\" is null or not defined');",
+    "}",
+      "// 1. Let O be ? ToObject(this value).",
+      "var o = Object(this);",
+      "// 2. Let len be ? ToLength(? Get(O, \"length\")).",
+      "var len = o.length >>> 0;",
+      "// 3. If len is 0, return false.",
+      "if (len === 0) {",
+        "return false;",
+    "}",
+      "// 4. Let n be ? ToInteger(fromIndex).",
+      "//    (If fromIndex is undefined, this step produces the value 0.)",
+      "var n = fromIndex | 0;",
+      "// 5. If n ≥ 0, then",
+      "//  a. Let k be n.",
+      "// 6. Else n < 0,",
+      "//  a. Let k be len + n.",
+      "//  b. If k < 0, let k be 0.",
+      "var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);",
+      "function sameValueZero(x, y) {",
+        "return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));",
+    "}",
+      "// 7. Repeat, while k < len",
+      "while (k < len) {",
+        "// a. Let elementK be the result of ? Get(O, ! ToString(k)).",
+        "// b. If SameValueZero(searchElement, elementK) is true, return true.",
+        "if (sameValueZero(o[k], searchElement)) {",
+          "return true;",
+      "}",
+        "// c. Increase k by 1. ",
+        "k++;",
+    "}",
+      "// 8. Return false",
+      "return false;",
+  "}",
+"});",
 
 "(function() {",
   "var sort_ = Array.prototype.sort;",