Update error handling, #22

Author: artemlos

.gitignore

@@ -101,3 +101,6 @@ fabric.properties
 # Android studio 3.1+ serialized cache file
 .idea/caches/build_file_checksums.ser
 apikeys.json
+.idea/compiler.xml
+.idea/jarRepositories.xml
+.idea/workspace.xml

pom.xml

@@ -4,7 +4,7 @@
   <groupId>io.cryptolens</groupId>
   <artifactId>cryptolens</artifactId>
   <packaging>jar</packaging>
-  <version>1.9-STABLE</version>
+  <version>1.10-STABLE</version>
   <name>cryptolens</name>
   <description>A client api to access Cryptolens Licensing API.</description>
   <url>https://github.com/cryptolens/cryptolens-java</url>

src/main/java/io/cryptolens/models/LicenseKey.java

@@ -85,7 +85,8 @@ public static LicenseKey LoadFromString(String RSAPubKey, String licenseString,
             licenseKey = Shared.defaultBase64Decoder(result.licenseKey);
             signature = Shared.defaultBase64Decoder(result.signature);
         } catch (Exception ex) {
-            System.err.println(ex.getStackTrace()); return null;
+            ex.printStackTrace();
+            return null;
         }
 
         try {
@@ -102,7 +103,7 @@ public static LicenseKey LoadFromString(String RSAPubKey, String licenseString,
                 System.err.println("Signature check failed");
                 return null;
             }
-        } catch(Exception ex) {System.err.println(ex.getStackTrace()); return null;}
+        } catch(Exception ex) {ex.printStackTrace(); return null;}
 
         String s = new String(licenseKey, StandardCharsets.UTF_8);
         LicenseKey license = new Gson().fromJson(s, LicenseKey.class);