Hotfix. Make account name search exact match so it won't give false p…

…ositive on partial match. E.g. "foo" must not match "foobar"

library/Soliant/SimpleFM/ZF2/Authentication/Adapter/Auth.php

@@ -156,7 +156,7 @@ public function authenticate()
         $this->simpleFmValidateAdapter->setCredentials($this->credentials);
 
         $command = array(
-                    $this->accountNameField => self::escapeStringForFileMakerSearch($this->username),
+                    $this->accountNameField => "==" . self::escapeStringForFileMakerSearch($this->username),
                     '-find' => NULL,
                 );
         $this->simpleFmValidateAdapter->setCommandarray($command);