$login = new userManager($dbh);

					if($login->login("WouterDS", "lol")) {
						echo "success";
					}
					else {
						echo "failure";
					}



	public function login($username, $password) {
		$selectQuery = $this->dbh->prepare("SELECT id FROM users_main WHERE username = ':usr' AND password = ':pw'");
		$selectQuery->bindParam(':usr', $username);
		$selectQuery->bindParam(':pw', md5($password));
		$selectQuery->execute();
		if($selectQuery->rowCount()) {
			/*
			if($this->set_session($username)) {
				return true;
			}
			else {
				return false;
			}
			*/
			return true;
		}
		else {
			return false;
		}
	}