Fix tests on OS X (#43) and set up Travis CI

disable python 3.5 in CI build due to mysterious test hanging

* wsproto >= 0.12.0, tests hang on earlier versions
* pytest-trio >= 0.5.0, mininimum for u...

* Drop python3.5 support (see below)
* Pin some dependency versions that were breaking on Travis...

- Update sample server.
- Enable syntax highlighting for README code samples.

OS X resolves "localhost" to loopback ipv4 and ipv6 addresses,
whereas Ubuntu resolves it to jus...

small fixes to server_webserver docs

trio.BrokenStreamError -> BrokenResourceError

Fixes #42.

Requires trio 0.8.0.
Fixes #39.

Fix error handling for dropped connections (#23)

In addition to fixing the uncaught BrokenStreamError, I also tried to
clean up and clarify the c...

Arbitrary listeners and streams

This was identified during code review.

* Use the term "Trio nursery start protocol* instead of just "Trio
nursery protocol".
* The wr...

* Fix example server's host argument.
* Change wrap_* methods to use Trio nursery protocol.
* Im...

This uncovered a couple bugs in the servers `port` and
`listeners` properties, which are also fi...

As a step towards supporting arbitrary listeners, the WebSocketServer
constructor now takes a li...

The server class did not handle the case where there are multiple
listeners correctly. Now, list...

This matches Trio's terms. Also improve the documentation for the
host argument.

Revisit optional nursery

This is passed down to serve_tcp(). Add tests to cover this feature.

In addition to open_websocket and open_websocket_url, which are
both context managers that do no...

"Channels" is an experimental feature in Trio that I
have checked into this project temporarily ...

It now uses the context manager. Running these tests
also helped me find a bug in the new connec...

This fixes #20

Instead of instantiating a client object and calling connect(),
you now call open_websocket(), w...

This is preparation for introducing AsyncResource as a base class.

path property and API connection semantics

remove info-level logging

use version with dev suffix on master

semantics of the server connection handler and
client connect().

The server connection handler i...

arguable, but it's probably too verbose to info log on every connection and server start

* following PEP 440
* last value in version tuple is reserved for API-compatible bugfix rel...

Fixes #15

This closes #14

I don't fully understand the problem, but this change is definitely
not harmful and it's easy to...

This essentially reverts 59819d. This should fix #12
and is a step towards implementing #3.

* listen() supports nursery start() protocol so we can
block on server being ready for c...

This makes connection teardown a bit easier to reason
about.

The tests are not all passing, but the harness itself is working.

Also add exception handlers around send_eof(), which can fail if
the connection closed unexpecte...

Also moved the implementation from websocket.py to __init__.py
because it's so small that it doe...

The library basically works: text frames, binary frames, pings, pongs,
opening handshake, and cl...