Changelog for cake3-

Version --------------- Fix urembed tool, change UrWeb.bin API, converts url's from the CSS to Ur/Web format Version 0.4 ----------- Autobuild 'clean' rule. genFile and genTmpFile functions allowing to embed text files into the Makefile. Version 0.3 ----------- API changes, improve documentation, improve UrWeb extension Version 0.2 ----------- Redesign (simplify) monadic interface, add support for prebuild/postbuild actions. Version 0.1 ----------- Initial release