Update composer.json

Author: barryvdh

composer.json

@@ -10,9 +10,8 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
-        "illuminate/support": "5.0.* || 5.1.* || 5.2.* || 5.3.* || 5.4.* || 5.5.*",
-        "omnipay/common": "~2.0"
+        "illuminate/support": "^5",
+        "league/omnipay": "~3.0"
     },
     "autoload": {
         "psr-4": {
@@ -21,7 +20,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.2-dev"
+            "dev-master": "0.3-dev"
         }
     },
     "minimum-stability": "dev"