Corrected type issue

Author: shuklaalok7

README.md

@@ -22,13 +22,13 @@ And add following in dependencies,
 
 ```
 dependencies {
-    compile 'in.clayfish:printful4j:0.1.0'
+    compile 'in.clayfish:printful4j:0.2.0'
 }
 ```
 
 ### Java
 
-* **Using gradle**, `compile 'in.clayfish:printful4j:0.1.0'`
+* **Using gradle**, `compile 'in.clayfish:printful4j:0.2.0'`
 * **Using Maven**, Add following in `<repositories>`,
 
 ``` xml
@@ -43,7 +43,7 @@ dependencies {
 <dependency>
     <groupId>in.clayfish</groupId>
     <artifactId>printful4j</artifactId>
-    <version>0.1.0</version>
+    <version>0.2.0</version>
 </dependency>
 ```
 
@@ -53,7 +53,7 @@ resolvers += "jitpack" at "https://jitpack.io"
 ```
 And add following in the dependencies,
 ```
-libraryDependencies += "in.clayfish" % "printful4j" % "0.1.0"
+libraryDependencies += "in.clayfish" % "printful4j" % "0.2.0"
 ```
 
 * **Using leningen**, Add following in your project.clj at the end of repositories,
@@ -62,7 +62,7 @@ libraryDependencies += "in.clayfish" % "printful4j" % "0.1.0"
 ```
 And add following,
 ```
-:dependencies [[in.clayfish/printful4j "0.1.0"]]
+:dependencies [[in.clayfish/printful4j "0.2.0"]]
 ```
 
 For more information regarding download or using different build systems, please visit

client/src/main/java/in/clayfish/printful/enums/FileStatus.java

@@ -20,7 +20,14 @@ public enum FileStatus {
      */
     FAIL;
 
+    /**
+     * @param searchTerm The term to search status for
+     * @return Found FileStatus
+     */
     public static FileStatus find(String searchTerm) {
+        if (searchTerm == null || searchTerm.isEmpty()) {
+            return null;
+        }
         return FileStatus.valueOf(searchTerm.trim().toUpperCase());
     }
 

client/src/main/java/in/clayfish/printful/utils/GsonAdapters.java

@@ -278,7 +278,7 @@ public Response deserialize(JsonElement jsonElement, Type typeOfT, JsonDeseriali
             }
 
             if (json.has("paging")) {
-                response.setPaging(context.deserialize(json.get("paging"), Paging.class));
+                response.setPaging(context.<Paging>deserialize(json.get("paging"), Paging.class));
             }
 
             if (json.has("result")) {

client/src/test/java/in/clayfish/printful/test/ProductCatalogApiClientTest.java

@@ -20,7 +20,7 @@
  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
  */
 public class ProductCatalogApiClientTest {
-    static String API_KEY = "l1zpya7z-w5e3-ce2a:kop5-fvlklkzc0qkn";
+    static String API_KEY = "YOUR_API_KEY";
     private Client client;
 
     @Before