Pad Stats in Etherpad

Get the following Stats in Etherpad:

    Characters (no whitespace)
    Characters (with whitespace)
    Word Count
    Revision Count
    Saved Revision Count
    # of Authors
    Author Stats
    Number of Words Contributed to
    Number of Lines Contributed to
    Lines as Only Contributor
    Number of Characters (Including Whitespace)
    Number of Characters (Excluding Whitespace)

Pricing is 400$ per commercial license, 40$ for non-commercial/explicit not for profit.