entity_state : add hook onEnter(Entity e) + onExit(Entity e) can be used for custom action (or debug state change)
reset t0 of animation when added (to allow reuse)
upgrade dartemis 0.6.0
upgrade vector_math 1.4.3
add ItemOption.setAll
fix API bug and compilation "warning"
version 0.5.0
version 0.6.0-dev