Rakefile in vfs-0.3.15 vs Rakefile in vfs-0.4.0

@@ -2,9 +2,10 @@
 
 project(
   name: "vfs",
   gem: true,
   summary: "Virtual File System",
+  version: '0.4.0',
 
   author: "Alexey Petrushin",
   homepage: "http://github.com/alexeypetrushin/vfs"
 )
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