Made pojos serializable, new maven version 0.5

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.keyworddesk.api</groupId>
     <artifactId>keyworddesk-java</artifactId>
-    <version>0.4</version>
+    <version>0.5</version>
 
     <dependencies>
         <dependency>

src/main/java/com/encircle360/keyworddesk/client/pojos/Keyword.java

@@ -1,11 +1,13 @@
 package com.encircle360.keyworddesk.client.pojos;
 
+import java.io.Serializable;
+
 /**
  * Keyword POJO. This class represents a keyword with its data.
  *
  * @author <a href="mailto:[email protected]">Patrick Huetter</a>
  */
-public class Keyword {
+public class Keyword implements Serializable {
 
     private String keyword;
     private Long searchVolume;

src/main/java/com/encircle360/keyworddesk/client/pojos/KeywordFilter.java

@@ -2,14 +2,15 @@
 
 import net.sf.json.JSONObject;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 
 /**
  * KeywordFilter POJO. This class represents a keyword filter.
  *
  * @author <a href="mailto:[email protected]">Patrick Huetter</a>
  */
-public class KeywordFilter {
+public class KeywordFilter implements Serializable {
 
     public static final String FILTER_TEXT_ILIKE = "ILike";
     public static final String FILTER_TEXT_NOT_ILIKE = "NotILike";

src/main/java/com/encircle360/keyworddesk/client/pojos/KeywordRequest.java

@@ -1,11 +1,13 @@
 package com.encircle360.keyworddesk.client.pojos;
 
+import java.io.Serializable;
+
 /**
  * KeywordRequest POJO. This class represents a keyword request.
  *
  * @author <a href="mailto:[email protected]">Patrick Huetter</a>
  */
-public class KeywordRequest {
+public class KeywordRequest implements Serializable {
 
     private String keyword;
     private Boolean searchVolume;