Fixes issue #18.

chrome/content/settings.js

@@ -21,6 +21,6 @@
 
 const DB_NAME = 'thundersec.sqlite';
 const API_URL = 'https://www.ilkertemir.com/thundersec/api/v1/';
-const VERSION = '1.0.3';
+const VERSION = '1.0.4';
 // Send generic stats every hour
 const STAT_INTERVAL = 1*60*60*1000;

chrome/content/thundersec.js

@@ -49,6 +49,8 @@ function initialize() {
     }
     quitObserver.prototype = {
       observe: function(subject, topic, data) {
+         // Close the database connection
+         connection.close();
          // This has to be an async request while application is quitting
          // Or Thunderbird will quit before the $.post completes 
          jQuery.ajaxSetup({async:false});

install.rdf

@@ -4,7 +4,7 @@
     <Description about="urn:mozilla:install-manifest">
         <em:type>2</em:type> <!-- 2 : Extension -->
         <em:id>thundersec@community</em:id>
-        <em:version>1.0.3</em:version>
+        <em:version>1.0.4</em:version>
         <em:name>ThunderSec</em:name>
         <em:description>Provides security features for Mozilla Thunderbird. These include DNSBL and RBL support, DKIM and SPF failure verifications. DNSBL support can be used to leverage Spamhaus, Abuse.ch and other DNSBL/RBL databases, including custom ones.</em:description>
         <em:iconURL>chrome://thundersec/content/images/thundersec.png</em:iconURL>