dump version 0.4.0

Author: filepang

fluent-plugin-http-pull.gemspec

@@ -3,7 +3,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name    = "fluent-plugin-http-pull"
-  spec.version = "0.3.0"
+  spec.version = "0.4.0"
   spec.authors = ["filepang"]
   spec.email   = ["[email protected]"]