Fix condition in HasFeature method

Author: artemlos

pom.xml

@@ -4,7 +4,7 @@
   <groupId>io.cryptolens</groupId>
   <artifactId>cryptolens</artifactId>
   <packaging>jar</packaging>
-  <version>1.10-STABLE</version>
+  <version>1.11-STABLE</version>
   <name>cryptolens</name>
   <description>A client api to access Cryptolens Licensing API.</description>
   <url>https://github.com/cryptolens/cryptolens-java</url>
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.5</version>
+      <version>2.9.1</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>

src/main/java/io/cryptolens/methods/Helpers.java

@@ -348,7 +348,7 @@ public static boolean HasFeature(LicenseKey licenseKey, String featureName) {
             }
         }
 
-        if(features == null) {
+        if(features == null || features.trim() == "") {
             // data object not found.
             return false;
         }