conflict/require max version

composer.json

{
	"require": {
		"magento-hackathon/magento-composer-installer": "*"
	},
	"require-dev": {
		"magento-hackathon/composer-command-integrator": "dev-master#e33f65a0e1b687fb5c610ac01357b11",
		"composer/composer": "dev-master"
	},
	"repositories": [
{"type":"vcs","url":"https://github.com/magento-hackathon/composer-command-integrator"},
		{
			"type": "composer",
			"url": "http://packages.firegento.com"
        }
	],
	"extra":{
		"magento-deploystrategy": "copy",
        "magento-force": true,
        "auto-append-gitignore": true,
        "magento-project": {
        },
		"magento-root-dir": "./htdocs/"
	}
}