Updated to include non null string transformer

Realm+JSON.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Realm+JSON'
-  s.version  = '0.2.9'
+  s.version  = '0.2.10'
   s.ios.deployment_target   = '7.0'
   s.osx.deployment_target = '10.9'
   s.license  = { :type => 'MIT', :file => 'LICENSE' }

Realm+JSON/MCJSONNonNullStringTransformer.h

@@ -0,0 +1,15 @@
+//
+//  MCJSONNonNullStringTransformer.h
+//  Pods
+//
+//  Created by Matthew Cheok on 23/5/15.
+//
+//
+
+#import <Foundation/Foundation.h>
+
+@interface MCJSONNonNullStringTransformer : NSValueTransformer
+
++ (instancetype)valueTransformer;
+
+@end

Realm+JSON/MCJSONNonNullStringTransformer.m

@@ -0,0 +1,38 @@
+//
+//  MCJSONNonNullStringTransformer.m
+//  Pods
+//
+//  Created by Matthew Cheok on 23/5/15.
+//
+//
+
+#import "MCJSONNonNullStringTransformer.h"
+
+@implementation MCJSONNonNullStringTransformer
+
++ (instancetype)valueTransformer {
+	return [[self alloc] init];
+}
+
++ (Class)transformedValueClass {
+	return [NSString class];
+}
+
++ (BOOL)allowsReverseTransformation {
+	return YES;
+}
+
+- (id)transformedValue:(id)value {
+	if (value && ![value isKindOfClass:[NSNull class]]) {
+		return value;
+	}
+	else {
+		return @"";
+	}
+}
+
+- (id)reverseTransformedValue:(id)value {
+	return value;
+}
+
+@end