SpaceDesign Bugs with SketchUp 2015

After trying to install the new version of SpaceDesign [NK05] I got this error:

It seems to be a simple text error, replacing MD_RPS_Ruby with MD_SpaceDesign_Ruby allowed me to load and use the plugin mostly normal again.

When doing that however I still got this error when trying to use the Rotate Wizard:

Here are all the Tools which won't load, the message is always similar to the one above, except that the lines vary by a few numbers: