* try afterBoth * update after_both * ActionToFunc * more tweaks * remove afterAll, ready to merge to main * code coverage * update comments
* tweaks * add test for generic version * continueFunc in generic * somewhat working * update to go 1.18
* attempt to implement waitAll * WaitAll with options * cover context cancel case in WaitAll * update test comments * waitAll * continueWith * test continue with * unittest for ContinueWith * tweaks