Drop category methods in favor of C functions for required functionality to reduce API size and avoids namespace conflicts

Code/Support/RKDictionaryUtilities.h

@@ -0,0 +1,26 @@
+//
+//  RKDictionaryUtilities.h
+//  RestKit
+//
+//  Created by Blake Watters on 9/11/12.
+//  Copyright (c) 2012 RestKit. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+/**
+ Reverse merges two dictionary to produce a new dictionary wherein the keys in the second dictionary have taken precedence in instances where keys overlap. The merge is performed recursively such that subdictionaries are reverse merged as well.
+ 
+ @param dictionary The dictionary to be reverse merged.
+ @param anotherDictionary A secondary dictionary to perform the reverse merging with.
+ @return A new `NSDicionary` object that is the product of the reverse merge.
+ */
+NSDictionary *RKDictionaryByReverseMergingDictionaryWithDictionary(NSDictionary *dictionary, NSDictionary *anotherDictionary);
+
+/**
+ Return a new dictionary by stripping out any percent escapes (such as %20) from the given dictionary's key and values.
+ 
+ @param dictionary The dictionary from which to remove the percent escape sequences.
+ @return A new `NSDictionary` wherein any percent escape sequences in the key and values have been replaced with their literal values.
+ */
+NSDictionary *RKDictionaryByReplacingPercentEscapesInEntriesFromDictionary(NSDictionary *dictionary);