Create cookie-based login and authentication system

lib/Exceptions/InvalidFileException.php

@@ -0,0 +1,5 @@
+<?
+namespace Exceptions;
+
+class InvalidFileException extends SeException{
+}

lib/Exceptions/InvalidPermissionsException.php

@@ -0,0 +1,6 @@
+<?
+namespace Exceptions;
+
+class InvalidPermissionsException extends SeException{
+	protected $message = 'You don’t have permission to perform that action.';
+}

lib/Exceptions/InvalidSessionException.php

@@ -0,0 +1,5 @@
+<?
+namespace Exceptions;
+
+class InvalidSessionException extends SeException{
+}

lib/Exceptions/LoginRequiredException.php

@@ -0,0 +1,5 @@
+<?
+namespace Exceptions;
+
+class LoginRequiredException extends SeException{
+}

lib/Exceptions/PollVoteExistsException.php

@@ -2,5 +2,10 @@
 namespace Exceptions;
 
 class PollVoteExistsException extends SeException{
+	public $Vote = null;
 	protected $message = 'You’ve already voted in this poll.';
+
+	public function __construct(?\PollVote $vote = null){
+		$this->Vote = $vote;
+	}
 }