composer: fixed PHP version [Closes #36]

dg · dg · commit 7a2fd9697034 · 2017-04-12T19:53:47.000+02:00
diff --git a/composer.json b/composer.json
@@ -15,7 +15,7 @@
 		}
 	],
 	"require": {
-		"php": ">=7.0",
+		"php": ">=7.1",
 		"ext-iconv": "*",
 		"nette/utils": "^2.4 || ~3.0.0"
 	},
