`spawn_actor()` raises an exception, and `try_spawn_actor()` returns
`None` on failure. However, the documentation swapped the descriptions
of those two.
* First draft TM updates
* Idle iteration
* Different updates
* Python API weather fix
* Added RSS sensor
* Added nightly builds
* Added texture mention to Town10
* Updated TM
* Updated contact mail
* New update on B,Jo,Ja comments
* Last fixes on Ja comments
* Style fixes and iteration
* Mid iteration for rebase
* Finished core + town slider
* First fix waiting for Reviewable
* Iteration on G comments
* Added spectator example
* Fixed typo
* Added minor change to generate opendrive world