Fixed a typo and some whitespaces

Author: sebastianfeldmann

src/Cli/Executable.php

@@ -12,7 +12,7 @@
  * @link       http://phpbu.de/
  * @since      Class available since Release 2.1.0
  */
-Interface Executable
+interface Executable
 {
     /**
      * Executes the cli commands.

src/Cli/Executable/Arangodump.php

@@ -229,12 +229,12 @@ public function createProcess()
         $cmd->addOptionIfNotEmpty('--server.database', $this->database, true, ' ');
 
         if (count($this->collections)) {
-            foreach($this->collections as $collection){
+            foreach ($this->collections as $collection) {
                 $cmd->addOption('--collection', $collection, ' ');
             }
         }
 
-        if($this->disableAuthentication){
+        if ($this->disableAuthentication){
             $cmd->addOption('--server.disable-authentication', 'true', ' ');
         }
 

src/Cli/Executable/Mcrypt.php

@@ -171,10 +171,10 @@ public function useConfig($path)
      */
     protected function createProcess()
     {
-        if(empty($this->targetFile)) {
+        if (empty($this->targetFile)) {
             throw new Exception('target file is missing');
         }
-        if(empty($this->key) && empty($this->keyFile)) {
+        if (empty($this->key) && empty($this->keyFile)) {
             throw new Exception('one of \'key\' or \'keyFile\' is mandatory');
         }
         $process = new Process();