Included the middle

Author: Steph Locke

NEWS.md

@@ -13,7 +13,7 @@
   `str_replace()` and `str_replace_all()` to remove patterns from strings.
   (@Shians, #178)
 
-* `str_squish()` removes excess spaces from both the left and right side of strings. (@stephlocke #197)
+* `str_squish()` removes spaces from both the left and right side of strings, and also converts multiple space (or space-like characters) to a single space within strings. (@stephlocke #197)
 
 ## Bug fixes and minor improvements