v17.11.8

> bin/goldfish --version
Goldfish Scheme 17.11.8 by LiiiLabs
based on S7 Scheme 11.2 (30-Dec-2024)

Important Updates

• Added the instance method %+ to rich-string, which can be used for string concatenation.
• define-case-class now automatically generates the static method @is-type-of to determine the type of an object.

($   "This is the first sentence\n"
  :+ "This is the second sentence\n"
  :+ "This is the third sentence")

(rich-string :is-type-of (rich-string "hello")) ; => #t