Revert "Revert "Merge branch 'superdweebie-rand-bugfix'""

This reverts commit b0ae4689135d62555cf9bbe55cdd7dddcd2d8f05 in order to allow
forward-porting fixes to develop.

Conflicts:
	library/Zend/ModuleManager/ModuleEvent.php

composer.json

@@ -19,22 +19,26 @@
         "ext-bcmath": "If using the bcmath functionality",
         "ext-gmp": "If using the gmp functionality",
         "ircmaxell/random-lib": "Fallback random byte generator for Zend\\Math\\Rand if OpenSSL/Mcrypt extensions are unavailable",
-        "zendframework/zend-servicemanager": ">= current version, if using the BigInteger::factory functionality"
+        "zendframework/zend-servicemanager": "Zend\\ServiceManager component",
+        "ircmaxell/security-lib": "SecurityLib component"
     },
     "extra": {
         "branch-alias": {
             "dev-master": "2.2-dev",
             "dev-develop": "2.3-dev"
         }
     },
-    "autoload-dev": {
-        "psr-4": {
-            "ZendTest\\Math\\": "test/"
-        }
-    },
     "require-dev": {
+        "ircmaxell/random-lib": "*",
+        "ircmaxell/security-lib": "*",
+        "zendframework/zend-servicemanager": "self.version",
         "fabpot/php-cs-fixer": "1.7.*",
         "satooshi/php-coveralls": "dev-master",
         "phpunit/PHPUnit": "~4.0"
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "ZendTest\\Math\\": "test/"
+        }
     }
 }

src/Rand.php

@@ -34,6 +34,8 @@ abstract class Rand
      */
     public static function getBytes($length, $strong = false)
     {
+        $length = (int) $length;
+
         if ($length <= 0) {
             return false;
         }