adjusted the docs for the $extend change (thanks bryanjswift, fixes #237)
tree4f190f3a06cafb179777790097a720ffe2894805
drwxr-xr-x - Compatibility
drwxr-xr-x - Docs
-rw-r--r-- 266 README.md
drwxr-xr-x - Source
drwxr-xr-x - Specs