Update CHANGES.md

Author: semperos

CHANGES.md

@@ -1,8 +1,10 @@
 # v next
 
-- Upgrades Go version to 1.24, including relevant tweaks to WASM build
-- Imports the full suite of Goal extensions (see Goal's full.go)
-- Adds Goal's new flag lib
+- Upgrade to Goal 1.4.0.
+- Addition of `helps` function, which returns help as a string instead of printing it.
+- Upgrades Go version to 1.24, including relevant tweaks to WASM build.
+- Imports the full suite of Goal extensions (see Goal's full.go).
+- Adds Goal's new flag lib.
 - Many Ari functions were written with scalar use-cases in mind, but many of them would be more powerful if they supported both scalar and array arguments. Such pervasive/broadcasting behavior has been added to the following functions:
   - `time.format` _(also swapped arg order)_
   - `time.parse`