mlange-42/arche: Arche v0.4.0

API revision, split out generics and filters into separate packages.

• Generic queries support optional, additional and excluded components (#53, #56, #58, #59, #60, #63)
• Logic filters for complex queries (#54, #58, #61)
• Query and World have a method Mask(Entity) to access archetype masks (#65)
• Generic query Get method returns all queried components (#83)
• Added method World.Stats() for inspecting otherwise inaccessible world statistics (#67)
• Entities can be initialized with components, via ID as well as using generics (#76)
• A listener function can be registered to the world, for notification on entity changes (#77)
• Support for up to 128 distinct component types per world (was limited to 64 before) (#78)
• Generic entity manipulation through types Map1, Map2, ... and Exchange (#79, #84, #87)

• Overhaul of the module structure, with generics and filters in separate packages (#55, #57, #61, #64)
• Generic queries are compiled to masks and cached on first build (#62)
• Boilerplate code for generic filters and queries is auto-generated with go generate (#64)
• Ensure 100% test coverage by adding a CI check for it (#68)
• World.RemEntity(Entity) is now World.RemoveEntity(Entity) (#87)
• Optimization of adding/removing components, with 2-3x speedup and vast reduction of (number of) allocations (#93)
• More examples as user documentation (#83, #95)
• Speed up component world access by use of nil pointer check instead of bitmask (#96)
• General API cleanup with renaming of several types and methods (#100)