more accurate requirements
more accurate requirements

@sorcio caught reqs that don't need to be there, like flask and its deps.  some
of the new reqs there now are actually deps from the cryptography package that
weren't there from #227

mark-i-m/Chaos,Chaosthebot/Chaos,phil-r/chaos,Chaosthebot/Chaos,eamanu/Chaos,hongaar/chaos,mark-i-m/Chaos,g19fanatic/chaos,rudehn/chaos,eukaryote31/chaos,phil-r/chaos,eamanu/Chaos,Chaosthebot/Chaos,g19fanatic/chaos,rudehn/chaos,chaosbot/Chaos,rudehn/chaos,eukaryote31/chaos,amoffat/Chaos,phil-r/chaos,hongaar/chaos,botchaos/Chaos,mpnordland/chaos,botchaos/Chaos,eamanu/Chaos,amoffat/Chaos,g19fanatic/chaos,mpnordland/chaos,botchaos/Chaos,mpnordland/chaos,hongaar/chaos,chaosbot/Chaos,botchaos/Chaos,amoffat/Chaos,g19fanatic/chaos,mark-i-m/Chaos,amoffat/Chaos,eukaryote31/chaos,Chaosthebot/Chaos,g19fanatic/chaos,mark-i-m/Chaos,phil-r/chaos,hongaar/chaos,phil-r/chaos,rudehn/chaos,botchaos/Chaos,rudehn/chaos,amoffat/Chaos,chaosbot/Chaos,eamanu/Chaos,eamanu/Chaos,mark-i-m/Chaos,chaosbot/Chaos,eukaryote31/chaos,hongaar/chaos,Chaosthebot/Chaos,mpnordland/chaos,mpnordland/chaos,chaosbot/Chaos,eukaryote31/chaos