A first prototype was implemented in 2010.
Versions 1.0 and 2.0 were released in 2011 and 2012, respectively.
The current version is 3.0, and it was completely redesigned and
-rewritten to broaden the scope, and to include several cool
+rewritten to broaden the scope, and to include several
new features, which will be described in detail in this document.
The following people has contributed to the project: