diff --git a/sample/theRunAround/Classes/Session.m b/sample/theRunAround/Classes/Session.m
index 1667d26e38..4a3f97a091 100644
--- a/sample/theRunAround/Classes/Session.m
+++ b/sample/theRunAround/Classes/Session.m
@@ -55,7 +55,7 @@ - (void) save {
   if ((access_token != (NSString *) [NSNull null]) && (access_token.length > 0)) {
     [defaults setObject:access_token forKey:@"FBAccessToken"];
   } else {
-    [defaults removeObjectForKey:@"FBSessionKey"];
+    [defaults removeObjectForKey:@"FBAccessToken"];
   }
  
   NSDate *expirationDate = _facebook.expirationDate;  
diff --git a/src/FBDialog.m b/src/FBDialog.m
index 625b10b3bf..1ab342a6c2 100644
--- a/src/FBDialog.m
+++ b/src/FBDialog.m
@@ -462,6 +462,9 @@ - (void)deviceOrientationDidChange:(void*)object {
 // UIKeyboardNotifications
 
 - (void)keyboardWillShow:(NSNotification*)notification {
+  
+  _showingKeyboard = YES;
+  
   if (FBIsDeviceIPad()) {
     // On the iPad the screen is large enough that we don't need to 
     // resize the dialog to accomodate the keyboard popping up
@@ -474,11 +477,11 @@ - (void)keyboardWillShow:(NSNotification*)notification {
       -(kPadding + kBorderWidth),
       -(kPadding + kBorderWidth) - _titleLabel.frame.size.height);
   }
-
-  _showingKeyboard = YES;
 }
 
 - (void)keyboardWillHide:(NSNotification*)notification {
+  _showingKeyboard = NO;
+  
   if (FBIsDeviceIPad()) {
     return;
   }
@@ -488,8 +491,6 @@ - (void)keyboardWillHide:(NSNotification*)notification {
       kPadding + kBorderWidth,
       kPadding + kBorderWidth + _titleLabel.frame.size.height);
   }
-
-  _showingKeyboard = NO;
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/FBRequest.m b/src/FBRequest.m
index 0ff85f12da..be0cb64909 100644
--- a/src/FBRequest.m
+++ b/src/FBRequest.m
@@ -175,10 +175,12 @@ - (id)parseJsonResponse:(NSData*)data error:(NSError**)error {
   if ([responseString isEqualToString:@"true"]) {
     return [NSDictionary dictionaryWithObject:@"true" forKey:@"result"];
   } else if ([responseString isEqualToString:@"false"]) {
-    *error = [self formError:kGeneralErrorCode 
-                    userInfo:[NSDictionary 
-                              dictionaryWithObject:@"This operation can not be completed" 
-                              forKey:@"error_msg"]];
+    if (error != nil) {
+      *error = [self formError:kGeneralErrorCode 
+                      userInfo:[NSDictionary 
+                                dictionaryWithObject:@"This operation can not be completed" 
+                                forKey:@"error_msg"]];
+    }
     return nil;
   }
               
@@ -187,22 +189,30 @@ - (id)parseJsonResponse:(NSData*)data error:(NSError**)error {
   
   if (![result isKindOfClass:[NSArray class]]) {
     if ([result objectForKey:@"error"] != nil) {
-      *error = [self formError:kGeneralErrorCode
-                      userInfo:result];
+      if (error != nil) {
+        *error = [self formError:kGeneralErrorCode
+                        userInfo:result];
+      }
       return nil;
     }
   
     if ([result objectForKey:@"error_code"] != nil) {
-      *error = [self formError:[[result objectForKey:@"error_code"] intValue] userInfo:result];
+      if (error != nil) {
+        *error = [self formError:[[result objectForKey:@"error_code"] intValue] userInfo:result];
+      }
       return nil;
     }
   
     if ([result objectForKey:@"error_msg"] != nil) {
-      *error = [self formError:kGeneralErrorCode userInfo:result];
+      if (error != nil) {
+        *error = [self formError:kGeneralErrorCode userInfo:result];
+      }
     }
   
     if ([result objectForKey:@"error_reason"] != nil) {
-      *error = [self formError:kGeneralErrorCode userInfo:result];
+      if (error != nil) {
+        *error = [self formError:kGeneralErrorCode userInfo:result];
+      }
     }
   }
   
diff --git a/test/UnitTest/Classes/UnitTestViewController.m b/test/UnitTest/Classes/UnitTestViewController.m
index c88459abca..e3237ed9fb 100644
--- a/test/UnitTest/Classes/UnitTestViewController.m
+++ b/test/UnitTest/Classes/UnitTestViewController.m
@@ -194,7 +194,7 @@ - (void) testAuthenticatedApi {
   dateString = [formatter stringFromDate:[NSDate date]];  
   [formatter release];
   NSString *msg = @"Hello World";
-  msg = [msg stringByAppendingFormat:dateString];
+  msg = [msg stringByAppendingString:dateString];
   
   NSMutableDictionary * params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   msg, @"message",
@@ -216,7 +216,7 @@ - (void) testApiError {
   dateString = [formatter stringFromDate:[NSDate date]];  
   [formatter release];
   NSString *msg = @"Hi World";
-  msg = [msg stringByAppendingFormat:dateString];
+  msg = [msg stringByAppendingString:dateString];
   
   NSMutableDictionary * params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   msg, @"message",