fsi-open/datasource — pull request #56 by chives (2014-04-12 15:55:40+00:00)
Title: Fixed filtering empty input parameters (fixes #38)

This change seems to be radical but in fact the new condition differs from the old one because it does not return ``true`` for neither ``'0'`` nor ``0.0`` as the old one did. In all other cases it behaves exactly the same way.