* Fix lifetimes; Add some tests

* Add remaining doctest

* Implement `Tileset::tiles`

* Remove iterator types

* Small fixes

* Remove unused lifetime

* Rename `TiledError` to `Error`

* Add `Result` type

* Small doc fix.

* Use `Result` where appropiate

Co-authored-by: Thorbjørn Lindeijer <bjorn@lindeijer.nl>

* Implement `Deref<Target = TData>` for `T`

* Move data properties to their respective data type

* Add docs to Data types

* Remove properties to user-side members

* Fix example/test builds

* Address PR comment

* Add map member properties

* Address PR comments

* Fix tests

* Address PR comment

* Warn on missing docs

* Add some documentation and fix examples

* More documentation

* More docs

* More docs

* Fix object colour docs

* Finish documenting

* Misc changes

* Address PR comment

* Add attributes
- `#[inline]` for properties
- `#![deny(unsafe_code)]`
- `#![deny(missing_copy_implementations)]`
- `#![deny(missing_debug_implementations)]`

* Add more inline attributes

* Merge with upstream

* Add properties to `Object`

* Add properties to `FiniteTileLayer`

* Add properties to `Layer`

* Add properties to `ImageLayer`

* Add properties to `ObjectLayerData`

* Remove `data()`; Replace `map()`

* Add properties to `LayerTile`

* `MapWrapper` -> `map_wrapper!`

* Fix examples/tests

* Limit visibility of data types

* Make `Tile::collision` public again

* Doc tweak

Co-authored-by: Thorbjørn Lindeijer <bjorn@lindeijer.nl>

* Adding group layer support

* Added test case and fixed parsing code

* Adding comma

* Adding missing newline

* Merging GID changes

* Merging GID changes

* Cleaning files

* Cleaning files

* Cleaning files