Address feedback from PR

pom.xml

         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.2</version>
         <configuration>
-          <source>9</source>
-          <target>9</target>
+          <source>1.7</source>
+          <target>1.7</target>
           <testSource>11</testSource>
           <testTarget>11</testTarget>
           <testCompilerArgument>-parameters</testCompilerArgument>

src/main/javassist/bytecode/ConstPool.java

         case MethodTypeInfo.tag :               // 16
             info = new MethodTypeInfo(in, numOfItems);
             break;
-            case DynamicInfo.tag :            // 17
-                info = new DynamicInfo(in, numOfItems);
-                break;
+        case DynamicInfo.tag :                  // 17
+            info = new DynamicInfo(in, numOfItems);
+            break;
         case InvokeDynamicInfo.tag :            // 18
             info = new InvokeDynamicInfo(in, numOfItems);
             break;