get_shared_library
Description:
This function returns a comma-separated list of paths to the shared C libraries associated with the given namespace namespace_.
    
 There may be no shared library path associated, in which case this function will return null.
Note: The namespace must have already been loaded using a function such as require before calling this function.
Parameters:
| this | 
           A Repository or   | 
      
| namespace_ | 
           Namespace to inspect  | 
      
Returns:
| 
           Comma-separated list of paths to shared libraries, or   |