Locale.Message: Read all text files in runtimepath
Spec.Prelude : fixed marker.
Prelude : improved check of Mac OS.
Data.String: Add reverse()
Data.String: help: Cosmetic fix
Data.String: help: Cosmetic change
Data.String: Add common_head()
System.Filepath: add basename()
System.Filepath: fix basename()
Data.Dict: Add clear()
Data.List: add clear()
Data.List: help: Update the description for uniq()

Add about omitable {expr} argument.
System.Filepath: add is_relative()
System.Filepath: add doc for is_absolute(),is_relative(),basename()
System.Filepath: Improve the implementation of separator()

This way also works for the system whose separator is not "/" or "\".
...Maybe.
Prelude - Improved search project directory.
DateTime: Improve the help for %z
DateTime: Remove the duplicated spec
DateTime: Fix a spec
DateTime: Improve spec