I have posted a new build of OlyMars [1.0.1876.37304] that includes the brand new XML Web Services 2.0 AddOn.
You can download this build here (once unzipped, you will need to recreate the OlyMars repository).
XML Web Services AddOn:
There have been also some minor bugs corrected in this release. Finally the "Check For Upgrade" feature is working again.
Any feedback can be redirected by email to firstname.lastname@example.org