TypeError: Parameter 'url' must be a string, not undefined

[shaedrich]

When I try to use dav.js, I get this error:

at Url.parse (/dav.js:4499:11)
at urlParse (/dav.js:4493:5)

For example I wanted to do

dav.createCalendarObject()

[ardean]

same here

#144 could work in this case