Adds websocket updates via the /updates endpoint

kordophone/Bridge/Operations/MBIMBridgeOperation.m

@@ -7,6 +7,7 @@
 //
 
 #import "MBIMBridgeOperation.h"
+#import "MBIMURLUtilities.h"
 
 @interface MBIMBridgeOperation (/*INTERNAL*/)
 @property (nonatomic, strong) NSURL *requestURL;
@@ -79,18 +80,7 @@
 
 - (NSString *)valueForQueryItemWithName:(NSString *)queryItemName
 {
-    NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL
-                                                resolvingAgainstBaseURL:NO];
-    
-    NSString *value = nil;
-    for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
-        if ([[queryItem name] isEqualToString:queryItemName]) {
-            value = [queryItem value];
-            break;
-        }
-    }
-    
-    return value;
+    return [[self requestURL] valueForQueryItemWithName:queryItemName];
 }
 
 @end