object relations support, tag could be array, related images
added variable & INI checks, and debug info
added example & notes to ngopengraph.ini
CRLF -> LF, \t -> \s, 0755 -> 0644, new line at end of file, remove closing PHP tag
Coding standards
Add wash operator to opengraph.tpl
Add setting to control debug output
Use class member variables instead of local ones
!empty is enough
Add persistent variant of including opengraph data
Markdowned!
Update version and copyright year