Merge pull request #33 from marek-knappe/fix-cli-relative-directory

Add real path conversion for cli scan.php to have relative path.

scan.php

@@ -64,10 +64,11 @@ class MalwareScanner
         if ($cli === true) {
             //Read Run Options
             $this->parseArgs();
+            $this->dir = realpath($this->dir);
 
             //Make sure a directory was specified.
             if ($this->dir === '') {
-                $this->error('No directory specified');
+                $this->error('No directory specified or directory doesn\'t exist');
                 exit(-1);
             }