Mono on Mac parses "/my-path/" as a valid absolute path, causes recursive loop in UrlPrependPath
Revert "Issue #110, formatting with empty parameter leaves delimiters intact"

This reverts commit 1ab2921f3fee401d6ccdca6a05fcbdccea23e24c.
Merge pull request #113 from sisve/dev-mono

Endless loop in UrlPrependPath on Mono/Mac