Political prisoners held in Myanmar walk free on Wednesday.<br/> At least 300 were released by the reclusive state, including several prominent dissidents, the most famous of which was this man - comedian Zarganar arrested in 2008.<br/> As he leaves prison he vows to continue his comedy act.<br/> Others released also say they won't change their ways after their time behind bars.<br/> (SOUNDBITE) (Burmese) RELEASED PRISONER KO YIN TUN:<br/> "Even after spending over six years in jail I'm not sorry for what I've done in politics at all. It's the duty of every citizen to be involved in politics. I will not give up being involved in politics."<br/> Myanmar, which is showing signs of opening up after half a century of iron-fisted rule, has previously released dissidents only to detain them again.<br/> But recent moves, including more dialogue with pro democracy leader Aung San Suu Kyi suggest times may now be different.<br/> Its thought 1,800 political prisoners remain behind bars.<br/> Simon Hanna, Reuters.