Update license and class signature show.

Author: jhrldev

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/Appender.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/ClassNodeParser.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *
@@ -70,6 +70,10 @@ object ClassNodeParser {
         if (classNode.outerClass != null || classNode.outerMethod != null || classNode.outerMethodDesc != null)
             appender.append("")
 
+        appender.append("!signature: ${classNode.signature}")
+        appender.append("!extends: ${classNode.superName}")
+        appender.append("!implements: ${classNode.interfaces}")
+
         val modsStr = Util.parseAsModifiersStr(Util.CLASS, classNode.access)
         val ext = if (classNode.superName != null) " extends ${Util.parseType(classNode.superName)}" else ""
         val ext2 = if (classNode.interfaces != null && classNode.interfaces.isNotEmpty()) " implements ${classNode.interfaces.map { Util.parseType(it as String) }.joinToString()}" else ""

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/Disassembler.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/LabelMapper.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/MethodInstructionsParser.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *

src/main/kotlin/com/github/jonathanxd/bytecodedisassembler/Util.kt

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *

src/test/java/com/github/jonathanxd/bytecodedisassembler/test/DisassemblerTest.java

@@ -3,7 +3,7 @@
  *
  *         The MIT License (MIT)
  *
- *      Copyright (c) 2017 JonathanxD <jonathan.scripter@programmer.net>
+ *      Copyright (c) 2020 JonathanxD <jonathan.scripter@programmer.net>
  *      Copyright (c) contributors
  *
  *