* Updated to latest aws-crt-ffi, updated EventLoopGroup/options init
* Removed test-ci target, just use test for everything now
* Added event_loop_group API to CRT/stubs
* Removed headers (all generated) from format-check
* Added the ability to force extension vs FFI
* make test will now trigger composer run test/phpunit, and force tests with both FFI and extension
* Updated builder version, removed redundant php7 test run
* Removed type annotations that anger php5, limited backends on php5
* Added aws_crt_error_str and test, removed awscrt_version test function
* Added aws_crt_error_name
* Added aws_crt_error_debug_str
* Use PHP's own tools to generate arginfo
* Only re-generate arginfo on php7+
* Added a definition for ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX for php5
* Ignore generated files for clang-format
* Added test-ffi target, use it in CI
* Added clang-format config, fixed RETURN_STRING API mismatch
* Skip installing php and packages on the PHP docker images
* Removed al2 job that was never going to work, and compiler tests
* Fixed basic test for extension loading
* Cleaned up lib structure, fixed tests
* use test-ci target to conditionally test in GitHub
* Use v0.8.1 of builder
* Added awscrt_version() and test for it
* Added builder.json for CI
* Added github actions
* Added format-check.sh
* Force php5.6 on ubuntu
* Updated submodules
Justin Boswell
KaibaLopez