pgfouine - pgfouine: added API documentation

Log Message:
-----------
added API documentation

Modified Files:
--------------
pgfouine/include:
LogBlock.class.php (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgfouine/pgfouine/include/LogBlock.class.php.diff?r1=1.5&r2=1.6)
LogStream.class.php (r1.14 -> r1.15)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgfouine/pgfouine/include/LogStream.class.php.diff?r1=1.14&r2=1.15)
Accumulator.class.php (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgfouine/pgfouine/include/Accumulator.class.php.diff?r1=1.7&r2=1.8)