* i2psnark: Mark a peer's requests as unrequested on disconnect,
      preventing premature end game
    * i2psnark: Randomize selection of next piece during end game
    * i2psnark: Don't restore a partial piece to a peer that is already working on it
    * i2psnark: strip ".torrent" on web page
    * i2psnark: Limit piece size in generated torrent to 1MB max