Fixed memory leaks in SOGoSyncCacheObject and correctly kill the cache upon each EAS iteration

ActiveSync/SOGoSyncCacheObject.m

@@ -55,7 +55,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   [o setUID: theUID];
   [o setSequence: theSequence];
   
-  return o;
+  return [o autorelease];
 }
 
 - (void) dealloc

SoObjects/Mailer/SOGoMailBaseObject.m

@@ -43,10 +43,6 @@
 
 @implementation SOGoMailBaseObject
 
-#if 0
-static BOOL debugOn = YES;
-#endif
-
 - (id) initWithImap4URL: (NSURL *) _url
 	    inContainer: (id) _container
 {

SoObjects/SOGo/NSObject+Utilities.m

@@ -123,6 +123,9 @@
   return label;
 }
 
+//
+//  Set SOGoDebugLeaks = YES in your defaults to enable.
+//
 + (void) memoryStatistics
 {
   Class *classList = GSDebugAllocationClassList ();

UI/MainUI/SOGoMicrosoftActiveSyncActions.m

@@ -21,6 +21,8 @@
 
 #import <Foundation/NSBundle.h>
 
+#import <SOGo/SOGoCache.h>
+#import <SOGo/NSObject+Utilities.h>
 #import <SOGo/SOGoFolder.h>
 
 #import <NGObjWeb/NSException+HTTP.h>
@@ -54,13 +56,17 @@
 
   ex = [dispatcher dispatchRequest: request  inResponse: response  context: context];
 
+  //[[self class] memoryStatistics];
+
   if (ex)
     {
       return [NSException exceptionWithHTTPStatus: 500];
     }
 
   RELEASE(dispatcher);
-      
+
+  [[SOGoCache sharedCache] killCache];
+
   return response;
 }