Dropped PEAR support.

Signed-off-by: Florian Wolters <wolters.fl@gmail.com>
Cleaned up Git related files.

Signed-off-by: Florian Wolters <wolters.fl@gmail.com>
Deletes files, since the related tools are not used any longer.

Signed-off-by: Florian Wolters <wolters.fl@gmail.com>
Enhanced CI integration.

Signed-off-by: Florian Wolters <wolters.fl@gmail.com>
Updated to latest PHP "best practices". Lot of minor enhancements regarding documentation and structure.

Signed-off-by: Florian Wolters <wolters.fl@gmail.com>