Fix two hard to spot bugs:

1) don't delete items from the duplicate list which are not duplicates
2) delete old operations, otherwise they'll get signals from our transferhandler
god class and report the same stuff as the normal operation

performoperation.cpp

@@ -46,6 +46,7 @@ void PerformOperation::start(QHash<APM::OptionName, QStringList> options, QStrin
 
         SyncOperation *syncOp = new SyncOperation(install, m_options, installPkgs, this);
         connect(syncOp, SIGNAL(syncFinished()), this, SLOT(secondStep()));
+        connect(syncOp, SIGNAL(syncFinished()), syncOp, SLOT(deleteLater()));
         syncOp->start();
     } else {
         secondStep();
@@ -60,6 +61,7 @@ void PerformOperation::secondStep()
         
         RemoveOperation *removeOp = new RemoveOperation(remove, m_options, removePkgs, this);
         connect(removeOp, SIGNAL(removeFinished()), this, SIGNAL(performFinished()));
+        connect(removeOp, SIGNAL(removeFinished()), removeOp, SLOT(deleteLater()));
         removeOp->start();
     } else {
         emit performFinished();

syncoperation.cpp

@@ -182,17 +182,18 @@ void SyncOperation::install(QUuid uuid, QList< Akabei::Package* > packages)
     QList< Akabei::Package* >::iterator it1;
     QList< Akabei::Package* >::iterator it2;    
     
-    for (it1 = packages.begin(); it1 < packages.end(); it1++) {
+    for (it1 = packages.begin(); it1 != packages.end(); it1++) {
         if ((*it1)->database() == Akabei::Backend::instance()->localDatabase())
             continue;
         mostRecent = (*it1);
         
-        for (it2 = it1 + 1; it2 < packages.end(); it2++) {
-            if ((*it1)->name() == (*it2)->name() && (*it2)->version() > (*it1)->version()) {
-                mostRecent = (*it2);
+        for (it2 = it1 + 1; it2 != packages.end(); it2++) {
+            if ((*it1)->name() == (*it2)->name()) {
+                if ((*it2)->version() > (*it1)->version()) {
+                    mostRecent = (*it2);
+                }
+                packages.erase(it2);
             }
-            
-            packages.erase(it2);
         }
         
         nonDuplicatedPackages << mostRecent;