Update source url

Desrcibe v0.4.1

Bump release

Fix incorrect one-argument calls to chicken:fx-

Use fixnum operations internally

Add 'note on overflow'

Fix test indentation

Implement variadic arithmetic operators

Bump release verion

Wiki: add toc, fix link

Update version info in wiki

Reorganize files, wrap wiki, add chicken/maintianership notes

Rename release-info file

Update release-info for new host

Version bump to 0.2

Removed unused srfi-143.sls

Removed unused srfi-143.sld

Removed unused fxcore.scm

removed unused rubber-chicken.scm

Fix for issue 3

https://github.com/diamond-lizard/srfi-143/issues/3