diff --git a/TODO b/TODO
index f507e87be..0ef569028 100644
--- a/TODO
+++ b/TODO
@@ -78,3 +78,6 @@ beta6->beta7 changelog:
 - FEATURE: Made search engine plugin install more reliable
 - BUGFIX: Updated man page / README / INSTALL
 - BUGFIX: Paused torrents could be displayed as connected for a sec after checking
+- BUGFIX: 'Unknown' is now displayed in search results columns where value is -1
+- BUGFIX: Improved search engine core a little
+- BUGFIX: Forgot to remove *.pyc files when uninstalling a search plugin
diff --git a/src/engineSelectDlg.cpp b/src/engineSelectDlg.cpp
index bb529286d..128d88aef 100644
--- a/src/engineSelectDlg.cpp
+++ b/src/engineSelectDlg.cpp
@@ -152,6 +152,9 @@ void engineSelectDlg::on_actionUninstall_triggered() {
       if(QFile::exists(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"engines"+QDir::separator()+name+".png")) {
         QFile::remove(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"engines"+QDir::separator()+name+".png");
       }
+      if(QFile::exists(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"engines"+QDir::separator()+name+".pyc")) {
+        QFile::remove(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"engines"+QDir::separator()+name+".pyc");
+      }
       // Remove it from lists
       installed_engines.removeAt(index);
       enginesEnabled.removeAt(index);
diff --git a/src/searchEngine.cpp b/src/searchEngine.cpp
index 1ed51f768..06645a051 100644
--- a/src/searchEngine.cpp
+++ b/src/searchEngine.cpp
@@ -344,13 +344,17 @@ void SearchEngine::updateNova() {
   if(misc::getPluginVersion(":/search_engine/nova2.py") > misc::getPluginVersion(filePath)) {
     if(QFile::exists(filePath))
       QFile::remove(filePath);
-    QFile::copy(":/search_engine/nova2.py", misc::qBittorrentPath()+"search_engine"+QDir::separator()+"nova2.py");
+    QFile::copy(":/search_engine/nova2.py", filePath);
   }
   // Set permissions
   QFile::Permissions perm=QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner | QFile::ReadUser | QFile::WriteUser | QFile::ExeUser | QFile::ReadGroup | QFile::ReadGroup;
   QFile(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"nova2.py").setPermissions(perm);
-  if(!QFile::exists(misc::qBittorrentPath()+"search_engine"+QDir::separator()+"novaprinter.py")){
-    QFile::copy(":/search_engine/novaprinter.py", misc::qBittorrentPath()+"search_engine"+QDir::separator()+"novaprinter.py");
+  filePath = misc::qBittorrentPath()+"search_engine"+QDir::separator()+"novaprinter.py";
+  if(misc::getPluginVersion(":/search_engine/novaprinter.py") > misc::getPluginVersion(filePath)) {
+    if(QFile::exists(filePath)){
+      QFile::remove(filePath);
+    }
+    QFile::copy(":/search_engine/novaprinter.py", filePath);
   }
   QString destDir = misc::qBittorrentPath()+"search_engine"+QDir::separator()+"engines"+QDir::separator();
   QDir shipped_subDir(":/search_engine/engines/");
@@ -425,7 +429,7 @@ void SearchEngine::appendSearchResult(QString line){
   int row = SearchListModel->rowCount();
   SearchListModel->insertRow(row);
   for(int i=0; i<5; ++i){
-    if(parts.at(i).toFloat() == -1)
+    if(parts.at(i).toFloat() == -1 && i != SIZE)
       SearchListModel->setData(SearchListModel->index(row, i), tr("Unknown"));
     else
       SearchListModel->setData(SearchListModel->index(row, i), QVariant(parts.at(i)));
diff --git a/src/search_engine/novaprinter.py b/src/search_engine/novaprinter.py
index 47e6e7561..e81689334 100644
--- a/src/search_engine/novaprinter.py
+++ b/src/search_engine/novaprinter.py
@@ -1,3 +1,5 @@
+#VERSION: 1.11
+
 def prettyPrinter(dictionnary):
 	dictionnary['size'] = anySizeToBytes(dictionnary['size'])
 	print "%(link)s|%(name)s|%(size)s|%(seeds)s|%(leech)s|%(engine_url)s" % dictionnary
@@ -9,14 +11,15 @@ def anySizeToBytes(size_string):
 	# separate integer from unit
 	try:
 		size, unit = size_string.split()
-	except (ValueError, TypeError):
+	except:
 		try:
 			size = size_string.strip()
 			unit = ''.join([c for c in size if c.isalpha()])
 			size = size[:-len(unit)]
-		except(ValueError, TypeError):
+		except:
 			return -1
-
+        if len(size) == 0:
+		return -1
 	size = float(size)
 	short_unit = unit.upper()[0]