Fix ZTS build

relax tests for 7.3

Fix build for newest php-src master

Fix ipv6 bind on travis

see https://github.com/travis-ci/travis-ci/issues/8361#issuecomment-350497804

Remove dependency on PHP version for GC_ADDREF macro

Add 7.2 testing

PHP 7.3 compatibility

Fix #50: bad fsevent example

Prepare 0.2.2

wtf, uv_fs_scandir()??? - Prevent walking the loop after dtor

Fix 7.2 build

Do not warn when using closed handles with uv_is_active()

Fully fix uv_async too

I am bad at copying over already fixed code, sigh...

Fix #43 - Add handling for uv pipes within UVStdio objects

Also some refcounting issues within uv_async* and uv_udp*

Fix #44 - prepare 0.2.1

Prepare v0.2.0

Fix PHP 7.1 build and uv_queue_work()

Fix PHP 7.0 and 7.1 builds

Fix refcount upon polling error

libuv will then itself stop the polling and thus refcount needs to be in sync with that

Fix uninitialized php_uv_loop_t * variables

Fix compile with gcc

Use objects instead of resources as handle representation

This also adds proper get_gc handlers in order to resolve potenial cycles

Return the return value of uv_spawn if not zero

Fixes #38

Add support for POSIX FIFOs

Fixes #39

Revert (broken) support for php://temp, it points to a file, not to a stream