eEngine 0.2.0 released

Many things has been improved in this release.
There is a new lightweight WTK implementation and a basic client / server implementation.
Also we added a 'finite state machine' for simulation artificial intelligence.

Missing features in this release:

* Graphics
o Optional OpenGL rendering support
o Null rendering device
* Sound
o Wave
o MP3
o Ogg Vorbis
o MIDI
* IO Subsystem
o Loading / Saving of scripted elements
o Loading / Saving of maps
* Network Subsystem
o Peer-to-Peer system
* Collision Subsystem
o Collision detection
o Collision response
* Artificial Intelligence
o Pathfinding