[ic] Patch to differentiate between free shipping and unavailable shipping methods

[Mike Heins]

Quoting Mark Lipscombe (markl at gasupnow.com):
> Stefan Hornburg wrote:
> > Objection one: this is same as $cost >= 0
> 
> > Objection two: this takes away cumulative calculation and also $m is
> > superfluous.
> 
> Based on racke's feedback, here is an updated patch which addresses his 
> concerns.
> 
> The shipping code is a pretty intimidating piece of Perl to try and wrap 
> one's head around without any documentation.

It's intimidating perhaps because of lack of comments. But it did (and I believe
still does) have 25 pages of documentation. 8-)

-- 
Mike Heins
Perusion -- Expert Interchange Consulting    http://www.perusion.com/
phone +1.765.328.4479  <mike at perusion.com>

Opportunity is missed by most people because it is dressed in
overalls and looks like work. -- Thomas Edison