Refactor JSONRepresentation to stringFromObject: on RKParser. Fixes https://github.com/twotoasters/RestKit/issues/#issue/6

Code/Support/Parsers/JSON/RKJSONParser+SBJSON.m

@@ -8,6 +8,7 @@
 
 #import "RKJSONParser.h"
 #import "SBJsonParser.h"
+#import "NSObject+SBJSON.h"
 
 @implementation RKJSONParser
 
@@ -23,4 +24,8 @@
 	return result;
 }
 
+- (NSString*)stringFromObject:(id)object {
+	return [object JSONRepresentation];
+}
+
 @end