Block for integrating the FirePHP library for Moodle development. 

For the most current code please see the 2.5 branch. There are also branches for Moodle 1.9 and 2.0. 
The code in the 2.5 branch hasn't changed much so should also work for Moodle 2.1 to 2.4 (not tested, though). 

Frank Ralf