Fix: Fix reporting connection refused errors with ExtUvLoop on Linux and StreamSelectLoop on Windows. (#207 and #208 by @clue)

Fix: Fix unsupported EventConfig and SEGFAULT on shutdown with ExtEventLoop on Windows. (#205 by @clue)

Fix: Prevent interval overflow for timers very far in the future with ExtUvLoop. (#196 by @PabloKowalczyk)

Fix: Check PCNTL functions for signal support instead of PCNTL extension with StreamSelectLoop. (#195 by @clue)

Add .gitattributes to exclude dev files from exports. (#201 by @reedy)

Improve test suite to fix testing ExtUvLoop on Travis, fix Travis CI builds, do not install libuv on legacy PHP setups, fix failing test cases due to inaccurate timers, run tests on Windows via Travis CI and run tests on PHP 7.4 and simplify test matrix and test setup. (#197 by @WyriHaximus and #202, #203, #204 and #209 by @clue)