version.rb in plutonium-0.15.4

- old
+ new

@@ -1,6 +1,6 @@
 module Plutonium
-  VERSION = "0.15.3"
+  VERSION = "0.15.4"
   NEXT_MAJOR_VERSION = VERSION.split(".").tap { |v|
     v[1] = v[1].to_i + 1
     v[2] = 0
   }.join(".")
 end