Release buffer on exception #99
Revert "Release buffer on exception #99"

This reverts commit 159ca0c0b303a1c7fd920588c5588b7ab1e1788f.
phpdoc for AMQP.php
Add valgrind check to php tests
Collect memory leaks in report
Fix memory leaks reported by valgrind
Speedup testing
Fix copypasted strings in exchange class
Fix memory leak with incomplete basic.consume and exchange.delete