* fix ping, fix send frame close
* fixes for data race on _closeCode etc. and fix test
* fixing one TC
* fix waiting forever if no time to change of readyState, and poll never end
* add 1005 code if no status code received
* fixes for 1005 code
* fix test issue
* fix macOS issue
* revert to master tests and renaming
* close method change and fix code
* missing mutex
* wip
* renaming and fixes
* renaming, fixes
* added enablePong/disablePong, add tests
* added new test cases
* add 1 test case
* fix gcd name to greatestCommonDivisor
* move ping and ping timeout checks into socket poll, local var in test cases and indent fixes
* indent issue