Fixed null pointer crash, new version number and string

astrid/AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.timsu.astrid"
-          android:versionName="3.8.4.1"
-          android:versionCode="196">
+          android:versionName="3.8.4.2"
+          android:versionCode="197">
           
   <!-- widgets, alarms, and services will break if Astrid is installed on SD card -->
   <!--    android:installLocation="internalOnly"> -->

astrid/plugin-src/com/todoroo/astrid/core/LinkActionExposer.java

@@ -43,6 +43,7 @@ public class LinkActionExposer extends BroadcastReceiver {
             return;
 
         Task task = PluginServices.getTaskService().fetchById(taskId, Task.ID, Task.TITLE);
+        if (task == null) return;
 
         Spannable titleSpan = Spannable.Factory.getInstance().newSpannable(task.getValue(Task.TITLE));
         Linkify.addLinks(titleSpan, Linkify.ALL);

astrid/src/com/todoroo/astrid/service/UpgradeService.java

@@ -40,6 +40,7 @@ import com.todoroo.astrid.utility.AstridPreferences;
 
 public final class UpgradeService {
 
+    public static final int V3_8_4_2 = 197;
     public static final int V3_8_4_1 = 196;
     public static final int V3_8_4 = 195;
     public static final int V3_8_3_1 = 194;
@@ -156,6 +157,11 @@ public final class UpgradeService {
         StringBuilder changeLog = new StringBuilder();
 
         // current message
+        if (from >= V3_8_4 && from < V3_8_4_2) {
+            newVersionString(changeLog, "3.8.4.2 (10/03/11)", new String[] {
+                    "Fixes and updates for Google Tasks sync"
+            });
+        }
         if(from >= V3_8_4 && from < V3_8_4_1) {
             newVersionString(changeLog, "3.8.4.1 (9/30/11)", new String[] {
                     "Fixed a but where completing weekly repeat-after-complete tasks set due time",