Update Phalcon_Db_Adapter_Pdo_Sqlite.rst

В коде  абзаце fetchOne
$robot = $connection->fecthOne("SELECT * FROM robots");
$robot = $connection->fecthOne("SELECT * FROM robots", Phalcon\Db::FETCH_ASSOC);
заменить на 
$robot = $connection->fetсhOne("SELECT * FROM robots");
$robot = $connection->fetсhOne("SELECT * FROM robots", Phalcon\Db::FETCH_ASSOC);
Merge pull request #144 from relort/patch-1

Update Phalcon_Db_Adapter_Pdo_Sqlite.rst