Updated code documentation.

Signed-off-by: marco.minetti <marco.minetti@novetica.org>
Added support for global debug log configuration for cache.

Signed-off-by: marco.minetti <marco.minetti@novetica.org>
Added global HTTP redirect support.
Fixed URL validation against uri without querystring.

Signed-off-by: marco.minetti <marco.minetti@novetica.org>
Updated project stats files.

Signed-off-by: marco.minetti <marco.minetti@novetica.org>