Wip graphql api wrapper as a ruby gem

Integrate with WIP community faster on ruby.
Stanislav (Stas) K.
#wipgem publish gem on rubygems.orgs
Stanislav (Stas) K.
#wipgem provide API key via once initiated method
Stanislav (Stas) K.
#wipgem build an initial testsuite around code
Stanislav (Stas) K.
#wipgem testing a gem with travis-ci