I have set up a server so you can see how it works.
Just go there and login as follows:
Then just proceed to:
There, you can read about more about the process for uploading IMS/SCORM Content Packages.
There is an IMS CP package there, but I just added an SCORM on the file-storage as well (so you can upload SCORM packages too and test how it goes about uploading 250+ dirs and files)
The IMS MD part works very well as well, but I haven't done an interface so you can see it on the web.
Comments, questions and suggestions are more than welcome