ALPN protocol id enumeration 

Makefile.ac bug fix 

Bug fix : #54 

MacOS fix 

Merge pull request #51 from prbinu/prbinu-patch-1 Github action update to support Ubuntu 20.04

bug fix - duplicate json field, remove travis build manifest file 

bug fix - duplicate json field, remove travis build manifest file 

bug fix - duplicate json field, remove travis build manifest file 

Update release.yml 

Update release.yml