Fixes #86 allows for package names to include sub-package paths
Fixes #86 allows for package names to include sub-package paths

Will check for differences in elements such as VCS information and
report an error. The name, subpackages, and de-duping all happen at
the config parsing level. If the config is used to generate a yaml
file it will have one listing with subpackages.

gcmt/glide,cmars/tools,cmars/tools,cmars/tools,franciscocpg/glide,avvmoto/glide,cmars/tools,avvmoto/glide,jchauncey/glide,franciscocpg/glide