Naming scheme

[sfilippone]

It would probably be a good idea to add a unique prefix (something like "xyz_") to the visible entity names for this library, so as to make integration into other codes easier and/or more consistent with existing practices.

[rouson]

@sfilippone this issue is fixed in commit 826c047. I decided to prepend ref_ the names of all modules, submodules, and derived types. This choice has the nice consequence that the type previously named counter_t is now named ref_counter_t. I hope this prefix meets your needs/desires for use in PSBLAS.