DefaultEcs 0.13.0
breaking change:
removed SystemRunner type, use DefaultEcs.Threading.DefaultParallelRunner instead
removed ASystem type
refactored EntitySetBuilder to a more fluent syntax, Build changed to AsSet, *Either<T1, T2>() replaced by *Either<T1>().Or<T2>()
added World.GetDisabledEntities method to create EntitySet for disabled entities
added DisabledAttribute to auto construct EntitySet of disabled entities for AEntitySystem
added EntitySet.Contains method to check for an Entity inclusion
added IParallelRunner to allow custom implementation to process AEntitySystem, AComponentSystem and ParallelSystem in parallel
added Entity.World property
fixed EntityCommandRecorder SetSameAs and Dispose command
fixed size of commands in EntityCommandRecorder
fixed size of Entity
fixed WithoutEitherAttribute filter generation