Added test app for css classes.
Moving HTTP classes into new library
Moved server application into new executable.

* Created new myHTTPdemo project.
* Added new myHTTPd.workspace to project directory.
* Moved main & webpages and images to new directory.
* Added appropriate dependencies to project & workspace files.
Moved HTML 'helper' functions into new module.

* Added DIV() and P() support for class & id (for CSS).
removed last used list which was never used, so it was removed
More changes related to style sheets.

* Fixed bug in parsing cookie headers.
* Convenience functions for style sheet.
* Include CSS StyleSheet in HTML output for a page.
* Accessor functions to set/get the current pages style sheet.
Changes to the demo application.

* Display message to terminal.
* Make index.html dynamic in order to re-set cookie expiration time.
* page2.html now displays all cookies set.
* init global stylesheet object.
More changes for CSS support

* Fixed content-length reporting for CSS