Fixed Embed.

src/main/java/com/podio/app/ApplicationMicro.java

@@ -1,8 +1,12 @@
 package com.podio.app;
 
+import java.io.Serializable;
+
 import org.codehaus.jackson.annotate.JsonProperty;
 
-public class ApplicationMicro {
+public class ApplicationMicro implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The id of the app

src/main/java/com/podio/comment/Comment.java

@@ -10,6 +10,8 @@
 
 public class Comment extends CreatedBase {
 
+	private static final long serialVersionUID = 1L;
+
 	/**
 	 * The id of the comment. Can be used to update and delete the comment
 	 */

src/main/java/com/podio/common/AuthorizationEntity.java

@@ -1,10 +1,13 @@
 package com.podio.common;
 
+import java.io.Serializable;
 import java.net.URL;
 
 import org.codehaus.jackson.annotate.JsonProperty;
 
-public class AuthorizationEntity {
+public class AuthorizationEntity implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	private AuthorizationEntityType type;
 

src/main/java/com/podio/common/AuthorizationInterface.java

@@ -1,8 +1,11 @@
 package com.podio.common;
 
+import java.io.Serializable;
 import java.net.URL;
 
-public class AuthorizationInterface {
+public class AuthorizationInterface implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	private int id;
 

src/main/java/com/podio/common/CreatedBase.java

@@ -1,9 +1,13 @@
 package com.podio.common;
 
+import java.io.Serializable;
+
 import org.codehaus.jackson.annotate.JsonProperty;
 import org.joda.time.DateTime;
 
-public class CreatedBase {
+public class CreatedBase implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The entity who created the comment

src/main/java/com/podio/contact/ProfileBase.java

@@ -1,8 +1,12 @@
 package com.podio.contact;
 
+import java.io.Serializable;
+
 import org.codehaus.jackson.annotate.JsonProperty;
 
-public class ProfileBase {
+public class ProfileBase implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The id of the profile

src/main/java/com/podio/contact/ProfileMini.java

@@ -1,7 +1,10 @@
 package com.podio.contact;
 
+
 public class ProfileMini extends ProfileBase {
 
+	private static final long serialVersionUID = 1L;
+
 	private Integer avatar;
 
 	private String name;

src/main/java/com/podio/embed/Embed.java

@@ -1,13 +1,16 @@
 package com.podio.embed;
 
+import java.io.Serializable;
 import java.util.List;
 
 import org.codehaus.jackson.annotate.JsonProperty;
 import org.joda.time.DateTime;
 
 import com.podio.file.File;
 
-public class Embed {
+public class Embed implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The id of the embed
@@ -74,6 +77,7 @@ public int getId() {
 		return id;
 	}
 
+	@JsonProperty("embed_id")
 	public void setId(int id) {
 		this.id = id;
 	}

src/main/java/com/podio/file/File.java

@@ -10,6 +10,8 @@
 
 public class File extends CreatedBase {
 
+	private static final long serialVersionUID = 1L;
+
 	/**
 	 * The id of the file
 	 */

src/main/java/com/podio/item/FieldValuesView.java

@@ -1,13 +1,16 @@
 package com.podio.item;
 
+import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
 
 import org.codehaus.jackson.annotate.JsonProperty;
 
 import com.podio.app.ApplicationFieldType;
 
-public class FieldValuesView {
+public class FieldValuesView implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The id of the field

src/main/java/com/podio/item/Item.java

@@ -1,5 +1,6 @@
 package com.podio.item;
 
+import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
 
@@ -13,7 +14,9 @@
 import com.podio.rating.RatingTypeKeyDeserializer;
 import com.podio.rating.RatingValuesMap;
 
-public class Item {
+public class Item implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * The id of the item

src/main/java/com/podio/item/ItemRevision.java

@@ -6,6 +6,8 @@
 
 public class ItemRevision extends CreatedBase {
 
+	private static final long serialVersionUID = 1L;
+
 	/**
 	 * The revision number
 	 */

src/main/java/com/podio/rating/RatingValuesMap.java

@@ -1,12 +1,15 @@
 package com.podio.rating;
 
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.codehaus.jackson.annotate.JsonAnySetter;
 
-public class RatingValuesMap {
+public class RatingValuesMap implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private final Map<RatingType, TypeRating> values = new HashMap<RatingType, TypeRating>();
 
 	public TypeRating get(RatingType type) {

src/main/java/com/podio/rating/TypeRating.java

@@ -1,10 +1,13 @@
 package com.podio.rating;
 
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 
-public class TypeRating {
+public class TypeRating implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private Map<Integer, ValueRatings> counts = new HashMap<Integer, ValueRatings>();
 
 	private Float average;

src/main/java/com/podio/rating/ValueRatings.java

@@ -1,11 +1,14 @@
 package com.podio.rating;
 
+import java.io.Serializable;
 import java.util.List;
 
 import com.podio.contact.ProfileMini;
 
-public class ValueRatings {
+public class ValueRatings implements Serializable {
 
+	private static final long serialVersionUID = 1L;
+
 	private int total;
 
 	private List<ProfileMini> users;