pothos-library: added unique and useCount to buffer classes
pothos-library: support read before write -> buffer inlining
pothos-library: work on topology element interface
pothos-library: managed class supports base class
pothos-library: added complex integer dtypes
pothos-library: make use of register base class to fix #37
Merge branch 'base_class_support'
Merge branch 'master' into connectable_work
pothos-library: topology elements inherit from connectable
pothos-library: input and output port names for topology
pothos-library: getConnectable call to fix dis/connect
pothos-library: port names have no duplicates
pothos-library: added Object getTypeString() method
pothos-library: use getTypeString in a few other places
pothos-library: support null mgr and no inline pops