NuGet api v3 fails to install package in case the "projectUrl" tag include space in the value.

when trying to install nuget package that in the nuspec file the tag "projectUrl" include url with space, the package installation fails with the following error:

"Illegal character in path at index 28: http://fasfasfa.xvxo/saa/asf afsaf/safasf"

Steps to reproduce:
1. create clean nuget repository.
2. configure the nuget repository in nuget client using v3 protocol.
3. deploy the attached artifact to the repository.
4. try to install the package using the following command:
nuget install yehudah-test -source Artifactory -verbosity detailed