bump to version 0.4.0

Author: ottogiron

Makefile

@@ -1,6 +1,6 @@
 # Meta info
 NAME := ironman
-VERSION := v0.3.0
+VERSION := v0.4.0
 MAINTAINER := "Otto Giron <ottog2486@gmail.com"
 SOURCE_URL := https://github.com/ironman-project/ironman.git
 DATE := $(shell date -u +%Y%m%d.%H%M%S)
@@ -62,4 +62,4 @@ package-linux: binary-linux
 package-windows: binary-windows
 	@tar -czf build/dist/ironman.windows-amd64.tar.gz -C build/dist/windows ironman.exe 
 
-.PHONY: $(SUBDIRS)
+.PHONY: $(SUBDIRS)