-Update sprites texture atlas
-added support for separate collider and graphical scale
-weapon now can be located on specific sprite relative position
-SpaceShip has two lasers which are separate entities
-added following parent system
-added Boss
-parent destroy children after being destroyed
-added towers (Tower consist of 3 entities, parent take damage and one is weapon)
- added targeting system which rotate entity to target
-added new sprites
-added new functions to vectors
-fixed rendering rotated sprites
-small performance improvement and some bug fixes
-added animations support
-bullets get initial velocity from parent
-added partiles for fire from gun and explosion of enemies
-modified texture atlas
-fixed bug with high CPU usage (use pthread instead of builtin D multithreading)
-added new graphics
-snake now render tile coresponding to body part
-snake is destroyed after collision and emit some particles
-added some functionality to vectors
-fixed documentation issue in Manager.d
-fixed bug in EntityManager
-added better support for non-betterC unittests
-added many new unittests
-slightly improved JUnit xml output
-fixed WASM compile script
-added new textures
-fixed model texture coordinaes in demos
-some minor bug fixes in demo
TODO: demos cpu usage in non-betterC mode
