Added start of User List parser.

Added UserList Request and Response type

MGTwitterRequestTypes.h

@@ -47,6 +47,7 @@ typedef enum _MGTwitterRequestType {
     MGTwitterImageRequest, // requesting an image
 	MGTwitterFriendIDsRequest, // request the numeric IDs for every user the specified user is following
 	MGTwitterFollowerIDsRequest, // request the numeric IDs of the followers of the specified user
+	MGTwitterUserListsRequest,
 #if YAJL_AVAILABLE || TOUCHJSON_AVAILABLE
 	MGTwitterSearchRequest, // performing a search
 	MGTwitterSearchCurrentTrendsRequest, // getting the current trends
@@ -69,6 +70,7 @@ typedef enum _MGTwitterResponseType {
 #endif
 	MGTwitterSocialGraph		= 10,
 	MGTwitterOAuthToken         = 11,
+	MGTwitterUserLists          = 12,
 } MGTwitterResponseType;
 
 // This key is added to each tweet or direct message returned,

MGTwitterUserListsParser.h

@@ -0,0 +1,17 @@
+//
+//  MGTwitterUserListsParser.h
+//  MGTwitterEngine
+//
+//  Created by Clinton Shryock on 6/10/10.
+//  Copyright 2010 scary-robot. All rights reserved.
+//
+
+#import "MGTwitterEngineGlobalHeader.h"
+
+#import "MGTwitterStatusesParser.h"
+
+@interface MGTwitterUserListsParser : MGTwitterStatusesParser {
+
+}
+
+@end

MGTwitterUserListsParser.m

@@ -0,0 +1,47 @@
+//
+//  MGTwitterUserListsParser.m
+//  MGTwitterEngine
+//
+//  Created by Clinton Shryock on 6/10/10.
+//  Copyright 2010 scary-robot. All rights reserved.
+//
+
+#import "MGTwitterUserListsParser.h"
+
+
+@implementation MGTwitterUserListsParser
+
+#pragma mark NSXMLParser delegate methods
+
+
+- (void)parser:(NSXMLParser *)theParser didStartElement:(NSString *)elementName 
+  namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName 
+    attributes:(NSDictionary *)attributeDict
+{
+    //NSLog(@"Started element: %@ (%@)", elementName, attributeDict);
+    [self setLastOpenedElement:elementName];
+
+    if ([elementName isEqualToString:@"list"]) {
+        // Make new entry in parsedObjects.
+        NSMutableDictionary *newNode = [NSMutableDictionary dictionaryWithCapacity:0];
+        [parsedObjects addObject:newNode];
+        currentNode = newNode;
+    } else if (currentNode) {
+        // Create relevant name-value pair.
+        [currentNode setObject:[NSMutableString string] forKey:elementName];
+    }
+}
+
+- (void)parser:(NSXMLParser *)theParser didEndElement:(NSString *)elementName 
+  namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
+{
+    [super parser:theParser didEndElement:elementName namespaceURI:namespaceURI qualifiedName:qName];
+
+    if ([elementName isEqualToString:@"user"]) {
+        [self addSource];
+        currentNode = nil;
+    }
+}
+
+
+@end