Added debug register response body

Author: sleipnir

README.md

@@ -94,7 +94,7 @@ The second thing we have to do is add the spawn dependency to the project.
 <dependency>
    <groupId>com.github.eigr</groupId>
    <artifactId>spawn-java-std-sdk</artifactId>
-   <version>v1.2.4</version>
+   <version>v1.2.5</version>
 </dependency>
 ```
 We're also going to configure a few things for our application build to work, including compiling the protobuf files. 
@@ -128,7 +128,7 @@ See below a full example of the pom.xml file:
       <dependency>
          <groupId>com.github.eigr</groupId>
          <artifactId>spawn-java-std-sdk</artifactId>
-         <version>v1.2.4</version>
+         <version>v1.2.5</version>
       </dependency>
       <dependency>
          <groupId>ch.qos.logback</groupId>

pom.xml

@@ -4,7 +4,7 @@
     <groupId>io.eigr.spawn</groupId>
     <artifactId>spawn-java-std-sdk</artifactId>
     <packaging>jar</packaging>
-    <version>1.2.4</version>
+    <version>1.2.5</version>
     <name>spawn-java-std-sdk</name>
     <url>http://maven.apache.org</url>
 

src/main/java/io/eigr/spawn/internal/transport/client/OkHttpSpawnClient.java

@@ -52,6 +52,7 @@ public Protocol.RegistrationResponse register(Protocol.RegistrationRequest regis
         Call call = client.newCall(request);
         try (Response response = call.execute()) {
             assert response.body() != null;
+            log.debug("Decode response from {}", response.body().bytes());
             return Protocol.RegistrationResponse.parseFrom(
                     Objects.requireNonNull(response.body()
                     ).bytes());