update version to 0.4 and indicate this is technical preview

Author: jpogran

client/README.md

@@ -6,7 +6,9 @@
 
 # Puppet Language Support for Visual Studio Code
 
-This extension provides Puppet Language support for [Visual Studio Code](https://code.visualstudio.com/)
+This extension provides Puppet Language support for [Visual Studio Code](https://code.visualstudio.com/).
+
+**It is currently in technical preview, so that we can gather bug reports and find out what new features to add.**
 
 ## Platform support
 

client/package.json

@@ -2,7 +2,7 @@
   "name": "puppet-vscode",
   "displayName": "Puppet",
   "description": "Puppet VSCode extension",
-  "version": "0.0.4",
+  "version": "0.4.0",
   "publisher": "jpogran",
   "license": "SEE LICENSE IN LICENSE.txt",
   "icon": "images/Puppet-Logo-Amber-sm.png",