0.2.0 Important improvements and fixes

This is a first important update of Ramses with many improvements and bugfixes on all components, thanks to a lot of feedback from early users.

This version is much more stable and fast, and the user experience has been improved a lot, but it is still considered an Alpha version even if we already use it in production (but we're the developpers, we know what we do!): use at your own risk!

The details are in the changelog.