Versioned v3 according to Go wiki, maintaining backward compatibility#247

Merged

johnweldon merged 2 commits intogo-ldap:masterfrom stefanmcshane:master

Nov 12, 2019

+5,489-1

Commits on Nov 8, 2019

Moved v3 to subfolder to allow for versioning >2 with go modules. Reverted top level go.mod to fix backward compatibility
Stefan McShane
committed

Commits on Nov 12, 2019

Updated readme to include directions on Go Modules, including the rationale
Stefan McShane
committed