The original form is incorrect grammar and feels awkward, even though the
meaning is clear.

Patch by Martin Panter.

Patch by Martin Panter.

the wait is cancelled, the future *fut* is now also cancelled.

The function schedules the execution of coroutines, it's not just a wrapper for
something.

asyncio.async(coro), mention that asyncio.async() can be used to scheduler a
coroutine, and make it clear that create_task() is only available in Python
3.4.2 and later.

- Document the new create_task() method
- "Hide" the Task class: point to the create_task() method for interoperability
- Rewrite the documentation of the Task class
- Document the "Pending task destroyed"
- Update output in debug mode of examples in the dev section
- Replace Task() with create_task() in examples

loop at exit. Patch written by Vajrasky Kok (I modified also the "hello world"
example using a coroutine).

be empty.

Kok.

also typo. Patch written by Vajrasky Kok.

also typo. Patch written by Vajrasky Kok.

Improve also the "Logging" section

Mention that wait_for() now accepts None for the timeout.