Fix issue #4#5

Merged

opsengine merged 3 commits intomasterfrom

Jun 30, 2012

Commits on Jun 24, 2012

ignore_children correctly implemented
opsengine
committed

Commits on Jun 29, 2012

fixed bug in linux iterator. added test
opsengine
committed

Commits on Jun 30, 2012

new test test_process_group_wrong_pid passes on freebsd. minor fix on linux iterator
opsengine
committed