Make IRI::get_uri() public again
Make IRI::get_uri() public again

This shouldn't have been reverted. While the URI version could still be
accessed via $iri->uri, this doesn't make it obvious that it's actually
generated on the fly. This also keeps it in line with get_iri()

wikidi/simplepie,wikidi/simplepie,mblaney/simplepie,mblaney/simplepie,FreshRSS/simplepie,wikidi/simplepie,ropik/simplepie,simplepie/simplepie,barryvdh/simplepie,songfj/simplepie,skyzyx/simplepie,songfj/simplepie,Alkarex/simplepie,barryvdh/simplepie,blat/simplepie,barryvdh/simplepie,FreshRSS/simplepie,Alkarex/simplepie,blat/simplepie,songfj/simplepie,ropik/simplepie,blat/simplepie,skyzyx/simplepie,Alkarex/simplepie,simplepie/simplepie