ICM: Laravel 5.1+ support.

Author: dmitry-ivanov

composer.json

@@ -10,14 +10,15 @@
         }
     ],
     "require": {
-        "php": ">=5.6.4",
-        "illuminate/console": "^5.2",
-        "arvenil/ninja-mutex": "^0.6.0"
+        "php": ">=5.5.9",
+        "illuminate/support": "^5.1",
+        "illuminate/console": "^5.1",
+        "arvenil/ninja-mutex": "^0.6"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.6",
-        "orchestra/testbench": "^3.3",
-        "mockery/mockery": "^0.9.5",
+        "phpunit/phpunit": "^5.0",
+        "mockery/mockery": "^0.9",
+        "orchestra/testbench": "^3.1",
         "predis/predis": "^1.1"
     },
     "suggest" : {