Lots of bug fixes around publishing and handling weird cases on a real manga library. Implemented ability to have Volumes number 0 aka just latest chapters. Refactored DirectoryService code for scanning into it's own service. Lots of debug code, will be cleaned up later.

API/Interfaces/ISeriesRepository.cs

@@ -23,6 +23,7 @@ namespace API.Interfaces
         Task<IEnumerable<Volume>> GetVolumesForSeriesAsync(int[] seriesIds);
         Task<bool> DeleteSeriesAsync(int seriesId);
         Task<Volume> GetVolumeByIdAsync(int volumeId);
-        
+        Task<Series> GetSeriesByIdAsync(int seriesId);
+
     }
 }