Fixes jshint issues

@@ -29,7 +29,7 @@
  */
 
 /*global process, console, phantom, require:true*/
-/*jshint maxstatements:33, maxcomplexity:10*/
+/*jshint maxstatements:34, maxcomplexity:10*/
 
 // node check
 if ('process' in this && process.title === "node") {

@@ -1219,38 +1219,45 @@ Tester.prototype.pass = function pass(message) {
     });
 };
 
-/**
- * Processes an assertion error.
- *
- * @param  AssertionError  error
- */
-Tester.prototype.processAssertionError = function(error) {
+function getStackEntry(error, testFile) {
     "use strict";
-    var result = error && error.result || {},
-        testFile = this.currentTestFile,
-        stackEntry;
-    try {
     if ("stackArray" in error) {
         // PhantomJS has changed the API of the Error object :-/
         // https://github.com/ariya/phantomjs/commit/c9cf14f221f58a3daf585c47313da6fced0276bc
-            stackEntry = error.stackArray.filter(function(entry) {
+        return error.stackArray.filter(function(entry) {
             return testFile === entry.sourceURL;
         })[0];
     }
-        else if ('stack' in error) {
+
+    if (! ('stack' in error))
+        return null;
+
     var r = /^\s*(.*)@(.*):(\d+)\s*$/gm;
     var m;
-            while ((m = r.exec(e.stack))) {
+    while ((m = r.exec(error.stack))) {
         var sourceURL = m[2];
-                if (sourceURL.indexOf('->') != -1) {
+        if (sourceURL.indexOf('->') !== -1) {
             sourceURL = sourceURL.split('->')[1].trim();
         }
-                if (sourceURL == testFile) {
-                    stackEntry = { sourceURL: sourceURL, line: m[3]}
-                    break;
-                }
+        if (sourceURL === testFile) {
+            return { sourceURL: sourceURL, line: m[3]}
         }
     }
+    return null;
+}
+
+/**
+ * Processes an assertion error.
+ *
+ * @param  AssertionError  error
+ */
+Tester.prototype.processAssertionError = function(error) {
+    "use strict";
+    var result = error && error.result || {},
+        testFile = this.currentTestFile,
+        stackEntry;
+    try {
+        stackEntry = getStackEntry(error, testFile);
     } catch (e) {}
     if (stackEntry) {
         result.line = stackEntry.line;

@@ -53,9 +53,9 @@ function betterTypeOf(input) {
         default:
         try {
             var type = Object.prototype.toString.call(input).match(/^\[object\s(.*)\]$/)[1].toLowerCase();
-            if (type == 'object'
-                && phantom.casperEngine != "phantomjs"
-                && '__type' in input) {
+            if (type === 'object' &&
+                phantom.casperEngine !== "phantomjs" &&
+                '__type' in input) {
                 type = input.__type;
             }
             return type;