Trivial Utilities

`ineachdir`

I often say "where is subroutine generate_rows defined?"

              % git grep generate_rows
              %

No, not in this repository.

              % cd ..
              % ineachdir git grep generate_rows
              blog
              c
              dbix-class
              ...
              make-table
              lib/Table/MakeTable: sub generate_rows {
              mathjax
              ...

Aha!