tomt_bevycss 0.7.1

Expansion and fixes based on bevy_ecss. Allows for using a slightly wider subset of CSS to interact with Bevy ECS. Now on Bevy 0.13!
Documentation
pub mod entity_children;
pub use entity_children::QueryEntityChildren;

pub mod entity_parent;
pub use entity_parent::QueryEntityParent;

pub mod entity_classes;
pub use entity_classes::QueryEntityClasses;

pub mod entity_names;
pub use entity_names::QueryEntityNames;

pub mod entity_interaction;
pub use entity_interaction::QueryEntityInteraction;

pub mod ui_changes;
pub use ui_changes::QueryUiChanges;

pub mod ui_nodes;
pub use ui_nodes::QueryUiNodes;