Merge pull request #157 from chbiel/uniqid-fix

uniqid() is not unique enough so add usleep to ensure uniqueness

.scrutinizer.yml

@@ -30,6 +30,3 @@ tools:
       standard: "PSR2"
 
   php_code_coverage: true
-
-build_failure_conditions:
-  - 'issues.new.exists'

src/ParaTest/Runners/PHPUnit/Runner.php

@@ -134,7 +134,7 @@ protected function initTokens()
     {
         $this->tokens = array();
         for ($i = 0; $i < $this->options->processes; $i++) {
-            $this->tokens[$i] = array('token' => $i, 'unique' => uniqid(), 'available' => true);
+            $this->tokens[$i] = array('token' => $i, 'unique' => uniqid($i), 'available' => true);
         }
     }