diff --git a/MagicalRecord/Categories/DataImport/NSAttributeDescription+MagicalDataImport.m b/MagicalRecord/Categories/DataImport/NSAttributeDescription+MagicalDataImport.m
index a5d05e2..bef36ca 100644
--- a/MagicalRecord/Categories/DataImport/NSAttributeDescription+MagicalDataImport.m
+++ b/MagicalRecord/Categories/DataImport/NSAttributeDescription+MagicalDataImport.m
@@ -42,7 +42,7 @@
                 do {
                     NSMutableString *dateFormatKey = [kMagicalRecordImportCustomDateFormatKey mutableCopy];
                     if (index) {
-                        [dateFormatKey appendFormat:@".%d", index];
+                        [dateFormatKey appendFormat:@".%lu", (unsigned long)index];
                     }
                     index++;
                     dateFormat = [[self userInfo] valueForKey:dateFormatKey];
diff --git a/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.h b/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.h
index f64c204..55c9f04 100644
--- a/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.h
+++ b/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.h
@@ -44,6 +44,7 @@
 + (NSArray *) MR_descendingSortDescriptors:(NSArray *)attributesToSortBy;
 
 - (void) MR_obtainPermanentObjectID;
+- (void) MR_refresh;
 - (id) MR_inContext:(NSManagedObjectContext *)otherContext;
 - (id) MR_inThreadContext;
 
diff --git a/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.m b/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.m
index 628de40..12df5fb 100644
--- a/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.m
+++ b/MagicalRecord/Categories/NSManagedObject/NSManagedObject+MagicalRecord.m
@@ -226,6 +226,11 @@ static NSUInteger defaultBatchSize = kMagicalRecordDefaultBatchSize;
     return YES;
 }
 
+- (void) MR_refresh;
+{
+    [[self managedObjectContext] refreshObject:self mergeChanges:YES];
+}
+
 - (void) MR_obtainPermanentObjectID;
 {
     if ([[self objectID] isTemporaryID])
@@ -242,15 +247,23 @@ static NSUInteger defaultBatchSize = kMagicalRecordDefaultBatchSize;
 
 - (id) MR_inContext:(NSManagedObjectContext *)otherContext
 {
-    NSManagedObject *inContext = [otherContext objectRegisteredForID:[self objectID]];  //see if its already there
-    if (inContext == nil)
+    NSManagedObject *inContext = nil;
+    if ([[self objectID] isTemporaryID])
     {
-        NSError *error = nil;
-        inContext = [otherContext existingObjectWithID:[self objectID] error:&error];
-
+        MRLog(@"Cannot load a temporary object across Managed Object Contexts");
+    }
+    else
+    {
+        inContext = [otherContext objectRegisteredForID:[self objectID]];  //see if its already there
         if (inContext == nil)
         {
-            MRLog(@"Did not find object %@ in context %@: %@", self, [otherContext MR_description], error);
+            NSError *error = nil;
+            inContext = [otherContext existingObjectWithID:[self objectID] error:&error];
+
+            if (inContext == nil)
+            {
+                MRLog(@"Did not find object %@ in context '%@': %@", self, [otherContext MR_description], error);
+            }
         }
     }
     return inContext;
diff --git a/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalObserving.m b/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalObserving.m
index da49470..6e32e1d 100644
--- a/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalObserving.m
+++ b/MagicalRecord/Categories/NSManagedObjectContext/NSManagedObjectContext+MagicalObserving.m
@@ -71,8 +71,11 @@ NSString * const kMagicalRecordDidMergeChangesFromiCloudNotification = @"kMagica
 
 - (void) MR_mergeChangesFromNotification:(NSNotification *)notification;
 {
+    NSManagedObjectContext *fromContext = [notification object];
+    if (fromContext == self) return;
+    
 	MRLog(@"Merging changes from %@ to %@ %@",
-          [[notification object] MR_workingName], [self MR_workingName],
+          [fromContext MR_workingName], [self MR_workingName],
           ([NSThread isMainThread] ? @" *** on Main Thread ***" : @""));
 
     void (^mergeBlock)(void) = ^{