v0.0.2 Image read and write IPTC, IPTCTags class

New IPTCTags class provides tags names and formats:

IPTCTags::getTagName($tag);
IPTCTags::getTagFormat($tag);
IPTCTags::getTagByName($name);

New methods for image read and write IPTC metadata:

SimpleIPTC::getImageIPTC($image)
SimpleIPTC::writeImageIPTC($iptc, $filename)

v0.0.1

0.0.1