Fix composer-plugin-api version constraint

Date: Thu, 11 Jun 2015 14:55:49 +0100
Subject: Your Composer plugin requirements are potentially harmful
From: Jordi Boggiano <j.boggiano@seld.be>
To: undisclosed-recipients:;

> I am sending you this email because you have a Composer Plugin on
> https://packagist.org that requires the `composer-plugin-api` in
> version `*` or `1.0.0`.
> 
> Both of those are pretty dangerous:
> 
> - `*` would mean your plugin can get loaded in any future composer
> including 2.0, and will probably break.
> - `1.0.0` means that your plugin will not be loaded anymore as soon as
> we add functionality and bump the plugin api to 1.1+
> 
> The solution is simple, open your composer.json and replace that require with:
> 
>         "composer-plugin-api": "^1.0"
> 
> Sorry for the trouble, the documentation had "1.0.0" in the plugin
> example which mislead most plugin authors, but that is now fixed.

Author: stecman

composer.json

@@ -8,7 +8,7 @@
     },
 
     "require": {
-        "composer-plugin-api": "1.0.0",
+        "composer-plugin-api": "^1.0",
         "stecman/symfony-console-completion": "~0.3.0"
     },