- forgot to delete hash key even if current pid == parent pid.

- forgot to delete hash key even if current pid == parent pid.
- IsChanConf now checks $param{} via &IsParam()
- removed debugging messages related to uptime. now we know why it
  didn't run. (related to above comment)
- added 303/ison hook... although where are we notified of nicks
  signing off?

git-svn-id: https://svn.code.sf.net/p/infobot/code/trunk/blootbot@608 c11ca15a-4712-0410-83d8-924469b57eb5