Attempt to temporarily fix #2

src/pyrmv/utility/__init__.py

@@ -1,2 +1,3 @@
 from .find_exception import find_exception
+from .journey_ref_converter import ref_upgrade
 from .weekdays_bitmask import weekdays_bitmask

src/pyrmv/utility/journey_ref_converter.py

@@ -0,0 +1,26 @@
+def ref_upgrade(ref: str) -> str:
+    """This function converts older journey refs to the newer ones.
+
+    ### WARNING
+    This function will be deprecated as soon as RMV updates their API
+
+    ### Args:
+        * ref (`str`): Old ref like this one: `2|#VN#1#ST#1700765441#PI#0#ZI#160749#TA#0#DA#241123#1S#3004646#1T#2228#LS#3006907#LT#2354#PU#80#RT#1#CA#S30#ZE#S1#ZB#      S1#PC#3#FR#3004646#FT#2228#TO#3006907#TT#2354#`
+
+    ### Raises:
+        * `KeyError`: Some required keys are not found in the ref provided
+
+    ### Returns:
+        * `str`: Ref of the new type
+    """
+
+    items = "|".join(ref.split("|")[1:]).strip("#").split("#")
+    result = {items[i]: items[i + 1] for i in range(0, len(items), 2)}
+
+    for required in ["VN", "ZI", "TA", "PU"]:
+        if required not in result:
+            raise KeyError(
+                f"Required key {required} in the old journey ref is not found during conversion to the newer journey ref"
+            )
+
+    return "|".join([result["VN"], result["ZI"], result["TA"], result["PU"]])