Conform SSPostmarkEmail & SSPostmarkAttachment to NSCoding.

closes #16

SSPostmark/SSPostmarkAttachment.h

@@ -18,7 +18,7 @@ extern NSString * const SSPostmarkAttachmentInvalidNameException;
  Postmark will handle sending attachments with emails as long as the raw data doesn't exceed 10MB per message total.
  
  */
-@interface SSPostmarkAttachment : NSObject
+@interface SSPostmarkAttachment : NSObject <NSCoding>
 
 /** The name for the attached file
  

SSPostmark/SSPostmarkAttachment.m

@@ -113,6 +113,23 @@ - (NSData *)binaryJSON {
     return [NSJSONSerialization dataWithJSONObject:[self asJSONObject] options:0 error:nil];
 }
 
+#pragma mark -
+#pragma mark - coding
+- (void)encodeWithCoder:(NSCoder *)aCoder {
+    [aCoder encodeObject:self.name forKey:@"name"];
+    [aCoder encodeObject:self.content forKey:@"content"];
+    [aCoder encodeObject:self.contentType forKey:@"contentType"];
+}
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    self = [self init];
+    if (self) {
+        self.name = [aDecoder decodeObjectForKey:@"name"];
+        self.content = [aDecoder decodeObjectForKey:@"content"];
+        self.contentType = [aDecoder decodeObjectForKey:@"contentType"];
+    }
+    return self;
+}
+
 @end
 
 NSString * const SSPostmarkAttachmentInvalidNameException = @"SSPostmarkAttachmentInvalidNameException";

SSPostmark/SSPostmarkEmail.h

@@ -47,7 +47,7 @@
 /** The email object that represents a Postmark Email
  
  */
-@interface SSPostmarkEmail : NSObject
+@interface SSPostmarkEmail : NSObject <NSCoding>
 
 /** Who to send the email to
  

SSPostmark/SSPostmarkEmail.m

@@ -273,4 +273,37 @@ - (NSString *)description {
     return [NSString stringWithFormat:@"%@ Tag: \"%@\" Subject: \"%@\" From: \"%@\" To: %@\nBody: %@\nCustom Headers: %@",NSStringFromClass([self class]),self.tag,self.subject,self.fromAddress,self.toAddresses,self.body,self.customHeaders];
 }
 
+#pragma mark -
+#pragma mark - Coding
+- (void)encodeWithCoder:(NSCoder *)aCoder {
+    [aCoder encodeObject:self.toAddresses forKey:@"toAddresses"];
+    [aCoder encodeObject:self.ccAddresses forKey:@"ccAddresses"];
+    [aCoder encodeObject:self.bccAddresses forKey:@"bccAddresses"];
+    [aCoder encodeObject:self.fromAddress forKey:@"fromAddress"];
+    [aCoder encodeObject:self.nameForFromAddress forKey:@"nameForFromAddress"];
+    [aCoder encodeObject:self.replyTo forKey:@"replyTo"];
+    [aCoder encodeObject:self.subject forKey:@"subject"];
+    [aCoder encodeObject:self.body forKey:@"body"];
+    [aCoder encodeBool:self.html forKey:@"html"];
+    [aCoder encodeObject:self.attachments forKey:@"attachments"];
+    [aCoder encodeObject:self.customHeaders forKey:@"customHeaders"];
+}
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    self = [self init];
+    if (self) {
+        self.toAddresses = [aDecoder decodeObjectForKey:@"toAddresses"];
+        self.ccAddresses = [aDecoder decodeObjectForKey:@"ccAddresses"];
+        self.bccAddresses = [aDecoder decodeObjectForKey:@"bccAddresses"];
+        self.fromAddress = [aDecoder decodeObjectForKey:@"fromAddress"];
+        self.nameForFromAddress = [aDecoder decodeObjectForKey:@"nameForFromAddress"];
+        self.replyTo = [aDecoder decodeObjectForKey:@"replyTo"];
+        self.subject = [aDecoder decodeObjectForKey:@"subject"];
+        self.body = [aDecoder decodeObjectForKey:@"body"];
+        self.html = [aDecoder decodeBoolForKey:@"html"];
+        self.attachments = [aDecoder decodeObjectForKey:@"attachments"];
+        self.customHeaders = [aDecoder decodeObjectForKey:@"customHeaders"];
+    }
+    return self;
+}
+
 @end