Set the version correctly.

Author: oubiwann

README.md

@@ -44,7 +44,7 @@ Add the plugin to your ``rebar.config``:
 ```erlang
 {plugins, [
   {'lfe-compile',
-    {git, "https://github.com/lfe-rebar3/compile.git", {tag, "0.4.0"}}}
+    {git, "https://github.com/lfe-rebar3/compile.git", {tag, "0.3.0"}}}
 ]}.
 ```
 

src/lfe-compile.app.src

@@ -1,6 +1,6 @@
 {application, 'lfe-compile',
  [{description, "The LFE rebar3 compiler plugin"},
-  {vsn, "0.4.0"},
+  {vsn, "0.3.0"},
   {registered, []},
   {applications,
    [kernel,