add type checking, error handling, fix search issue. Closes #3 Closes #4 Fixes #3 Fixes #4

src/logic/wordparser.py

@@ -67,7 +67,7 @@ class Book:
                 self.location = value.split(",")[0] if "," in value else value
                 self.publisher = value.split(",")[1] if "," in value else ""
             elif key == "Standnummer":
-                self.signature = value
+                self.signature = value.strip()
             elif key == "Interne Vermerke":
                 self.internal_notes = value
 
@@ -212,7 +212,7 @@ def elsa_word_to_csv(path):
     data = [
         row for row in df.itertuples(index=False, name=None) if row != tuples[doctype]
     ]
-    # print(data)
+    # logger.debug(data)
     return tuple_to_dict(data, doctype), doctype