scripts: use multiple need_module! params where possible
scripts/isup: uri syntax
scripts/potassium: show 0 for users with no potassium (eat a banana!)
modules/url_handler, modules/regex_handler: disregard own messages
script: add hack to deal with regex_handler teardown
Fixed escaped slashes support in rainbows script.
Fixed rainbows script not checking that flags is a String.
Fixed markov error on CTCP ACTION.
Fixed part command not working with param and updated cycle command to cycle current channel if none specified.
Fixed error on receiving empty PRIVMSG.
lib/core: checks if pid file exists before attempting to delete