fix updates url fixes #163, #BUILD

Update Unity installer URL parser (fixes #155), #BUILD

Update main.yml (to handle multiline commit messages) #GITBUILD

test version stamp #GITBUILD

test #GITBUILD

test version stamp #GITBUILD

Update main.yml #GITBUILD

Update main.yml #GITBUILD

Update main.yml add timestamp #GITBUILD

Update main.yml for #GITBUILD