Log Message:
Update to 0.007

Upstream changes:
0.007           2019-05-31      T. R. Wyant
    Prohibit interpolation inside \N{...}.

    Fix error message in eg/pqldump

    Allow PPIx::QuoteLike::Utils::__variables() to take a PPI::Element
    (rather than PPI::Node), PPIx::Regexp::Element, PPIx::QuoteLike, or
    PPIx::QuoteLike::Token.

    Add eg/variables