diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index f667557..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a0c8976
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+
+*.xccheckout
+*.xcuserstate
+*.xcscheme
+*.plist
+
+.DS_Store
diff --git a/JSONRPC Tester/JSONRPCService.m b/JSONRPC Tester/JSONRPCService.m
index 9f828bf..fe0288a 100644
--- a/JSONRPC Tester/JSONRPCService.m	
+++ b/JSONRPC Tester/JSONRPCService.m	
@@ -44,9 +44,9 @@ -(void) execMethod:(NSString*)methodName andParams:(NSArray*)parameters withID:(
 	
 	//prepare http body
 	[request setHTTPMethod: @"POST"];
-	[request setValue:[NSString stringWithFormat:@"%d", [requestData length]] forHTTPHeaderField:@"Content-Length"];
+	[request setValue:[NSString stringWithFormat:@"%lu", (unsigned long)[requestData length]] forHTTPHeaderField:@"Content-Length"];
 	[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
-	[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
+	[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
 	[request setHTTPBody: requestData];
 		
 	if (urlConnection != nil) {
diff --git a/README.md b/README.md
index 915e10f..e6ea63a 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+This branch is a fix for the application created by @mladjan_antic
+
 JSONRPC Tester is a simple osx app for testing JSONRPC Web services.
 ![Add Submodule](http://f.cl.ly/items/3y2M0x2B0F2w3u2d391s/Screen%20Shot%202011-12-11%20at%205.47.35%20PM.png)
 
@@ -6,4 +8,4 @@ It's free for commercial and non-comercial use.
 Author: 
 Mladjan Antic
 @mladjan_antic
-mladjanantic.com
\ No newline at end of file
+mladjanantic.com