diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..6bcc7e7
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,7 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬�以查看现有属性的�述。
+    // 欲了解更多信�，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..adc79d2
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+   "files.readonlyInclude": {
+      "{**/.c4z/.extsrcs/*.PROTSYM.cbl,**/.c4z/.extsrcs/*.PROTSYM.listing}": true
+   }
+}
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
index acda283..8cffacc 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2017 Braintree, a division of PayPal, Inc.
+# Copyright (c) 2009-2017 Braintree, a division of PayPal, Inc
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal