Brief summary of issue / Description of requested feature:

Custom exit lines change color when saving and reloading the map. If I save a map that has custom exit lines in certain colors, they all revert to red on a load.

Steps to reproduce the issue / Reasons for adding feature:

1. Create 2 rooms with a custom exit line between them in a color other than red
2. Save the map
3. Load the map

Error output / Expected result of feature

The custom exit line is red, where it should have been a different color

Extra information, such as Mudlet version, operating system and ideas for how to solve / implement:

Using Mudlet 3.20.1 and windows 10