scripts/rainbows: add s flag to strip formatting
optimizations (mostly replaced gsub with tr and delete)
ircconnection: also strip \0 from outgoing messages
scripts/cipher: remove redundant delete call
scripts/regex, scripts/rainbows: revert gsub removal (HAHA OOPS)
scripts/choose: escape prefix
scripts/github: fix commit fetching
scripts/lmgtfy: new script to assist in mocking users