Permit random_compat 2.x too

Author: GrahamCampbell

composer.json

@@ -22,7 +22,7 @@
         "illuminate/contracts": "5.1.*|5.2.*|5.3.*",
         "illuminate/support": "5.1.*|5.2.*|5.3.*",
         "predis/predis": "^1.0",
-        "paragonie/random_compat": "^1.1"
+        "paragonie/random_compat": "^1.1|^2.0"
     },
     "require-dev": {
         "graham-campbell/testbench": "^3.1",