Level Master 2000 now has the possibility to switch between different workspaces (must lie within the application root though…seems like a flash restriction) and one can now save and load scenes! Before talking a lot, just take a look at the short video I setup:
Next on my todo list is creating undo/redo commands for creating and deleting entities and components. As soon as that’s done, milestone 1 for my thesis is finished! 
As promised, I’ve created a short presentation, which shows the currently implemented features:
Regarding further development: I’m on holidays* the upcoming and parts of the following week. I already got concrete refactoring plans and will post what features are to come after that.
*: Holidays in sense of going snow boarding and working on an old XNA based title we’ve worked on half a year ago, and needs some polishing in order that it can be able to be used in my portfolio. But more info on that when the time has come 