Avoid creating directories with ? or & in the filename, which breaks sqlalchemy when it tries to parse arguments from the filename.
Avoid creating directories with ? or & in the filename, which breaks
sqlalchemy when it tries to parse arguments from the filename.

Fixes https://github.com/ludios/grab-site/issues/1

UncleStranger/grab-site,UncleStranger/grab-site,bright-sparks/grab-site,bright-sparks/grab-site