added support for multiversion packages using "supported_versions" instead of just "version"
added support for multiversion packages using "supported_versions" instead of just "version"

ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env,ctuning/ck-env