Implemented the return of unique files for storage

config.py

@@ -1,7 +1,7 @@
 class Config:
    """Main System Configuration"""
    def __init__(self):
-      self.book_path = "books/"
+      self.book_path = "/home/raelon/Books/"
       self.book_shelf = "data/shelf.json"
       self.catalogue_db = "data/catalogue.db"
       self.file_array = [
@@ -10,4 +10,4 @@ class Config:
          self.catalogue_db,
          "conf/settings.json"
          ]
-      self.auto_scan = True
+      self.auto_scan = True