Clarify bind_col TYPE attribute is sticky
Spelling fixes.

Signed-off-by: H.Merijn Brand - Tux <h.m.brand@xs4all.nl>
Give Ville the credits for his patch

As I used git-am, I could not include this change in the previous
commit, unless I modified the patch to include this change :)
one more typo
Fix handling "0" different from ""

Handle strings evaluating to a false value correct when simply expecting
data in DBI::SQL::Nano_::Statement part approval
Support multiple folders in DBD::File's f_dir attribute

No tests yet and a few locations where things still will go wrong
when the catdir () is involved
Jens really prefers f_dir_search over f_dir_ext