Added property allowChallenges to User
Added property allowChallenges to User

Added property allowChallenges to User to block / allow challenges. Property is set true or false with chat commands.
brettjbush/Pokemon-Showdown,FakeSloth/Infinite,Parukia/Pokemon-Showdown,theodelhay/test,cadaeic/Pokemon-Showdown,hayleysworld/serenityserver,Mystifi/Exiled,Sora-League/Sora,Nineage/Showdown-Boilerplate,PauLucario/LQP-Server-Showdown,aakashrajput/Pokemon-Showdown,VoltStorm/Server-pokemon-showdown,SerperiorBae/Pokemon-Showdown,Flareninja/Pokemon-Showdown-1,ScottehMax/Pokemon-Showdown,TheManwithskills/Dusk--Showdown,SkyeTheFemaleSylveon/Mudkip-Server,MayukhKundu/Technogear,EienSeiryuu/Pokemon-Showdown,lFernanl/Lumen-Pokemon-Showdown,urkerab/Pokemon-Showdown,KewlStatics/Alliance,SkyeTheFemaleSylveon/Mudkip-Server,CreaturePhil/Pokemon-Showdown,TheManwithskills/Dusk--Showdown,kupochu/Pokemon-Showdown,MasterFloat/Pokemon-Showdown,MayukhKundu/Mudkip-Server,PS-Spectral/Spectral,zczd/enculer,sama2/Universe-Pokemon-Showdown,aakashrajput/Pokemon-Showdown,Ransei1/Alt,Atwar/ServerClassroom,BadSteel/Omega-Pokemon-Showdown,comedianchameleon/test,MasterFloat/LQP-Server-Showdown,SerperiorBae/Pokemon-Showdown-1,abulechu/Lumen-Pokemon-Showdown,Irraquated/Showdown-Boilerplate,Bryan-0/Pokemon-Showdown,TbirdClanWish/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,TheManwithskills/Server-2,Irraquated/EOS-Master,RustServer/Pokemon-Showdown,Pablo000/aaa,hayleysworld/asdfasdf,JennyPRO/Jenny,AustinXII/Pokemon-Showdown,KewlStatics/Alliance,Guernouille/Pokemon-Showdown,zek7rom/SpacialGaze,KewlStatics/Pokeindia-Codes,Pikachuun/Pokemon-Showdown-SMCMDM,xCrystal/Pokemon-Showdown,Pokemon-Devs/Pokemon-Showdown,ZeroParadox/ugh,Oiawesome/DPPtServ2,CreaturePhil/Showdown-Boilerplate,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,Flareninja/Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,TheManwithskills/Server---Thermal,megaslowbro1/Showdown-Server-again,TheManwithskills/COC,yashagl/pokecommunity,MayukhKundu/Pokemon-Domain,Flareninja/Showdown-Boilerplate,sirDonovan/Pokemon-Showdown,MeliodasBH/Articuno-Land,ShowdownHelper/Saffron,yashagl/yash-showdown,hayleysworld/Pokemon-Showdown,hayleysworld/serenity,Breakfastqueen/advanced,xfix/Pokemon-Showdown,sirDonovan/Pokemon-Showdown,Flareninja/Hispano-Pokemon-Showdown,SilverTactic/Dragotica-Pokemon-Showdown,Kokonoe-san/Glacia-PS,Hidden-Mia/Roleplay-PS,Pikachuun/Pokemon-Showdown,javi501/Lumen-Pokemon-Showdown,hayleysworld/serenityserver,SerperiorBae/Pokemon-Showdown-1,xfix/Pokemon-Showdown,lFernanl/Pokemon-Showdown,gustavo515/gashoro,MayukhKundu/Flame-Savior,Evil-kun/Pokemon-Showdown,arkanox/MistShowdown,SerperiorBae/Bae-Showdown,Wando94/Pokemon-Showdown,Vacate/Pokemon-Showdown,kuroscafe/Showdown-Boilerplate,Legit99/Lightning-Storm-Server,AWailOfATail/Pokemon-Showdown,Arcticblast/Pokemon-Showdown,ShowdownHelper/Saffron,Tesarand/Pokemon-Showdown,Neosweiss/Pokemon-Showdown,Ridukuo/Test2,Celecitia/Plux-Pokemon-Showdown,svivian/Pokemon-Showdown,AbsolitoSweep/Absol-server,BasedGod7/PH,TheManwithskills/Server,SerperiorBae/Pokemon-Showdown,danpantry/Pokemon-Showdown,theodelhay/test,catanatron/pokemon-rebalance,cadaeic/Pokemon-Showdown,PS-Spectral/Spectral,Zarel/Pokemon-Showdown,KewlStatics/Showdown-Template,DalleTest/Pokemon-Showdown,JellalTheMage/PS-,LegendBorned/PS-Boilerplate,svivian/Pokemon-Showdown,Zipzapadam/Server,sama2/Viridian-Pokemon-Showdown,SSJGVegito007/Vegito-s-Server,KewlStatics/Shit,TogeSR/Lumen-Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,Johto-Serverr/Werfin-Boilerplate,TheManwithskills/Server,KaitoV4X/Showdown,Zarel/Pokemon-Showdown,ehk12/coregit,AnaRitaTorres/Pokemon-Showdown,kubetz/Pokemon-Showdown,jumbowhales/Pokemon-Showdown,Gold-Solox/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown,Hopenub/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,TheDiabolicGift/Showdown-Boilerplate,Pikachuun/Joimmon-Showdown,Hidden-Mia/Roleplay-PS,Irraquated/Pokemon-Showdown,Sora-Server/Sora,TheManwithskills/serenity,BadSteel/Pokemon-Showdown,Raina4uberz/Light-server,ZeroParadox/BlastBurners,abrulochp/Dropp-Pokemon-Showdown,Elveman/RPCShowdownServer,Irraquated/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,Ridukuo/Test,jumbowhales/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,ZestOfLife/PSserver,AustinXII/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown,Lord-Haji/SpacialGaze,Git-Worm/City-PS,Firestatics/omega,Volcos/SpacialGaze,sama2/Lumen-Pokemon-Showdown,kuroscafe/Paradox,Pikachuun/Pokemon-Showdown,LustyAsh/EOS-Master,TheManwithskills/Server---Thermal,LightningStormServer/Lightning-Storm,catanatron/pokemon-rebalance,EmmaKitty/Pokemon-Showdown,xCrystal/Pokemon-Showdown,scotchkorean27/Pokemon-Showdown,Alpha-Devs/OmegaRuby-Server,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,Kevinxzllz/PS-Openshift-Server,psnsVGC/Wish-Server,panpawn/Gold-Server,ankailou/Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,Flareninja/Sora,Guernouille/Pokemon-Showdown,Flareninja/Lumen-Pokemon-Showdown,AvinashSwaminathan/lotus,bai2/Dropp,Enigami/Pokemon-Showdown,Syurra/Pokemon-Showdown,FakeSloth/wulu,AustinXII/Pokemon-Showdown,Kenny-/Pokemon-Showdown,panpawn/Pokemon-Showdown,Alpha-Devs/OmegaRuby-Server,piiiikachuuu/Pokemon-Showdown,EmmaKitty/Pokemon-Showdown,AWailOfATail/Pokemon-Showdown,hayleysworld/serenity,Syurra/Pokemon-Showdown,DarkSuicune/Kakuja-2.0,SolarisFox/Pokemon-Showdown,Oiawesome/DPPtServ2,TbirdClanWish/Pokemon-Showdown,TheManwithskills/New-boiler-test,TheFenderStory/Showdown-Boilerplate,hayleysworld/serenityc9,Stroke123/POKEMON,SerperiorBae/BaeShowdown,CreaturePhil/Pokemon-Showdown,Parukia/Pokemon-Showdown,Articuno-I/Pokemon-Showdown,sirDonovan/Pokemon-Showdown,Yggdrasil-League/Yggdrasil,hayleysworld/harmonia,SkyeTheFemaleSylveon/Pokemon-Showdown,sama2/Universe-Pokemon-Showdown,sama2/Dropp-Pokemon-Showdown,HoeenCoder/SpacialGaze,Flareninja/Pokemon-Showdown,SerperiorBae/Bae-Showdown-2,Lauc1an/Perulink-Showdown,hayleysworld/Pokemon-Showdown,lFernanl/Pokemon-Showdown,lFernanl/Zero-Pokemon-Showdown,NoahVSGamingYT/Pokemon-Showdown,SubZeroo99/Pokemon-Showdown,BlakJack/Kill-The-Noise,ehk12/bigbangtempclone,QuiteQuiet/Pokemon-Showdown,SilverTactic/Showdown-Boilerplate,MayukhKundu/Flame-Savior,Vacate/Pokemon-Showdown,Adithya4Uberz/The-Tsunami-League,DarkSuicune/Pokemon-Showdown,LustyAsh/EOS-Master,abulechu/Lumen-Pokemon-Showdown,anubhabsen/Pokemon-Showdown,TheManwithskills/DS,iFaZe/SliverX,Tesarand/Pokemon-Showdown,Atwar/server-epilogueleague.rhcloud.com,Legit99/Lightning-Storm-Server,megaslowbro1/Pokemon-Showdown,AWailOfATail/awoat,lFernanl/Lumen-Pokemon-Showdown,lFernanl/Mudkip-Server,TheDiabolicGift/Lumen-Pokemon-Showdown,psnsVGC/Wish-Server,k3naan/Pokemon-Showdown,svivian/Pokemon-Showdown,KewlStatics/Shit,Psyientist/Showdown-Boilerplate,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,ZestOfLife/FestiveLife,MeliodasBH/boarhat,Articuno-I/Pokemon-Showdown,DesoGit/Tsunami_PS,Breakfastqueen/advanced,azum4roll/Pokemon-Showdown,lFernanl/Zero-Pokemon-Showdown,SerperiorBae/PokemonShowdown2,asdfghjklohhnhn/Pokemon-Showdown,miahjennatills/Pokemon-Showdown,RustServer/Pokemon-Showdown,DesoGit/TsunamiPS,AbsolitoSweep/Absol-server,Flareninja/Sora,panpawn/Gold-Server,Flareninja/Showdown-Boilerplate,kotarou3/Krister-Pokemon-Showdown,TheManwithskills/Server-2,Irraquated/Showdown-Boilerplate,ZestOfLife/PSserver,CrestfallPS/Pokemon-Showdown,abrulochp/Lumen-Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,hayleysworld/serenityc9,Firestatics/omega,xCrystal/Pokemon-Showdown,anubhabsen/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,DB898/theregalias,hayleysworld/asdfasdf,AnaRitaTorres/Pokemon-Showdown,Flareninja/Lumen-Pokemon-Showdown,ehk12/bigbangtempclone,SerperiorBae/Bae-Showdown-2,DesoGit/Tsunami_PS,johtooo/PS,InvalidDN/Pokemon-Showdown,MayukhKundu/Technogear-Final,forbiddennightmare/Pokemon-Showdown-1,Yggdrasil-League/Yggdrasil,MeliodasBH/Articuno-Land,abulechu/Dropp-Pokemon-Showdown,brettjbush/Pokemon-Showdown,AvinashSwaminathan/lotus-v3,NoahVSGamingYT/Pokemon-Showdown,TheDiabolicGift/Lumen-Pokemon-Showdown,Nineage/Origin,PauLucario/LQP-Server-Showdown,MayukhKundu/Mudkip-Server,JellalTheMage/Jellals-Server,Checkinator/Pokemon-Showdown,Neosweiss/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,BlazingAura/Showdown-Boilerplate,Firestatics/Firestatics46,Ecuacion/Lumen-Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,comedianchameleon/servertest1,ankailou/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,SerperiorBae/BaeShowdown,Celecitia/Plux-Pokemon-Showdown,Chespin14/Custom-Platform-Pokemon-Showdown,xfix/Pokemon-Showdown,SolarisFox/Pokemon-Showdown,Ridukuo/Test,ZeroParadox/ugh,DB898/theregalias,PrimalGallade45/Dropp-Pokemon-Showdown,JellalTheMage/Jellals-Server,yashagl/yash-showdown,DesoGit/TsunamiPS,Sora-Server/Sora,Disaster-Area/Pokemon-Showdown,Volcos/SpacialGaze,sama2/Dropp-Pokemon-Showdown,ehk12/clone,kuroscafe/Paradox,LightningStormServer/Lightning-Storm,gustavo515/batata,BuzzyOG/Pokemon-Showdown,xfix/Pokemon-Showdown,Flareninja/Pokemon-Showdown-1,scotchkorean27/Pokemon-Showdown,KaitoV4X/Showdown,lAlejandro22/lolipoop,miahjennatills/Pokemon-Showdown,Alpha-Devs/Alpha-Server,Pablo000/aaa,KewlStatics/Pokeindia-Codes,megaslowbro1/Showdown-Server-again,UniversalMan12/Universe-Server,Ecuacion/Lumen-Pokemon-Showdown,Enigami/Pokemon-Showdown,BlazingAura/Showdown-Boilerplate,Gold-Solox/Pokemon-Showdown,gustavo515/gashoro,TheFenderStory/Pokemon-Showdown,Adithya4Uberz/The-Tsunami-League,Kill-The-Noise/BlakJack-Boilerplate,PrimalGallade45/Dropp-Pokemon-Showdown,kotarou3/Krister-Pokemon-Showdown,Git-Worm/City-PS,TheManwithskills/COC,Mystifi/Exiled,LightningStormServer/Lightning-Storm,Lord-Haji/SpacialGaze,johtooo/PS,ShowdownHelper/Saffron,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,kupochu/Pokemon-Showdown,arkanox/MistShowdown,ehk12/coregit,Zarel/Pokemon-Showdown,UniversalMan12/Universe-Server,SerperiorBae/Bae-Showdown,SubZeroo99/Pokemon-Showdown,JennyPRO/Jenny,hayleysworld/Showdown-Boilerplate,InvalidDN/Pokemon-Showdown,SilverTactic/Pokemon-Showdown,Pikachuun/Touhoumon-Showdown,Legendaryhades/Oblivion,SerperiorBae/Bae-Showdown-2,Wando94/Spite,asdfghjklohhnhn/Pokemon-Showdown,jd4564/Pokemon-Showdown,jumbowhales/Pokemon-Showdown,SkyeTheFemaleSylveon/Pokemon-Showdown,panpawn/Gold-Server,CorruptedHelix/Pokemon-Showdown,Mystifi/Exiled,Atwar/ServerClassroom,AvinashSwaminathan/lotus-v2,SilverTactic/Pokemon-Showdown,danpantry/Pokemon-Showdown,SerperiorBae/Bae-Showdown,yashagl/pokemon,DalleTest/Pokemon-Showdown,TheManwithskills/Creature-phil-boiler,xfix/Pokemon-Showdown,Ecuacion/Pokemon-Showdown,zek7rom/SpacialGaze,AWailOfATail/awoat,ZeroParadox/BlastBurners,sama2/Lumen-Pokemon-Showdown,Nineage/Origin,forbiddennightmare/Pokemon-Showdown-1,Tesarand/Pokemon-Showdown,Sora-Server/Sora,ScottehMax/Pokemon-Showdown,iFaZe/SilverZ,Extradeath/advanced,PS-Spectral/Spectral,HoeenKid/Pokemon-Showdown-Johto,Breakfastqueen/advanced,ZestOfLife/FestiveLife,FakeSloth/Infinite,TheManwithskills/DS,SerperiorBae/BaeShowdown,Kokonoe-san/Glacia-PS,Psyientist/Showdown-Boilerplate,Bryan-0/Pokemon-Showdown,TheManwithskills/Server-2,Alpha-Devs/Alpha-Server,CharizardtheFireMage/Showdown-Boilerplate,Ecuacion/Pokemon-Showdown,Flareninja/Hispano-Pokemon-Showdown,zczd/enculer,PrimalGallade45/Lumen-Pokemon-Showdown,abulechu/Dropp-Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,azum4roll/Pokemon-Showdown,gustavo515/final,Irraquated/Pokemon-Showdown,javi501/Lumen-Pokemon-Showdown,DarkSuicune/Kakuja-2.0,comedianchameleon/test,HoeenCoder/SpacialGaze,superman8900/Pokemon-Showdown,Flareninja/Sora,TheManwithskills/serenity,TogeSR/Lumen-Pokemon-Showdown,gustavo515/test,sama2/Viridian-Pokemon-Showdown,hayleysworld/Showdown-Boilerplate,Wando94/Spite,yashagl/pokecommunity,TheManwithskills/Creature-phil-boiler,EienSeiryuu/Pokemon-Showdown,MayukhKundu/Pokemon-Domain,k3naan/Pokemon-Showdown,yashagl/pokemon-showdown,Zipzapadam/Server,Pikachuun/Pokemon-Showdown-SMCMDM,JellalTheMage/PS-,Enigami/Pokemon-Showdown,lAlejandro22/lolipoop,SilverTactic/Showdown-Boilerplate,Firestatics/Omega-Alpha,bai2/Dropp,Ransei1/Alt,hayleysworld/harmonia,LegendBorned/PS-Boilerplate,MasterFloat/Pokemon-Showdown,abrulochp/Dropp-Pokemon-Showdown,CharizardtheFireMage/Showdown-Boilerplate,QuiteQuiet/Pokemon-Showdown,Firestatics/Firestatics46,kuroscafe/Showdown-Boilerplate,Luobata/Pokemon-Showdown,SilverTactic/Dragotica-Pokemon-Showdown,Wando94/Pokemon-Showdown,MeliodasBH/boarhat,svivian/Pokemon-Showdown,QuiteQuiet/Pokemon-Showdown,Firestatics/Omega-Alpha,Fusxfaranto/Pokemon-Showdown,MayukhKundu/Technogear-Final,lFernanl/Mudkip-Server,gustavo515/batata,DesoGit/Tsunami_PS,Adithya4Uberz/KTN,piiiikachuuu/Pokemon-Showdown,TheManwithskills/New-boiler-test,Lauc1an/Perulink-Showdown,yashagl/pokemon,TheDiabolicGift/Showdown-Boilerplate,Pikachuun/Joimmon-Showdown,Atwar/server-epilogueleague.rhcloud.com,jd4564/Pokemon-Showdown,aakashrajput/Pokemon-Showdown,Ridukuo/Test2,Enigami/Pokemon-Showdown,Raina4uberz/Light-server,superman8900/Pokemon-Showdown,AWailOfATail/Pokemon-Showdown,Sora-League/Sora,Parukia/Pokemon-Showdown,Checkinator/Pokemon-Showdown,Thiediev/Pokemon-Showdown,Sora-League/Sora,SerperiorBae/PokemonShowdown2,kubetz/Pokemon-Showdown,TheFenderStory/Showdown-Boilerplate,Lord-Haji/SpacialGaze,svivian/Pokemon-Showdown,MasterFloat/LQP-Server-Showdown,panpawn/Pokemon-Showdown,Disaster-Area/Pokemon-Showdown,urkerab/Pokemon-Showdown,gustavo515/test,comedianchameleon/servertest1,PrimalGallade45/Lumen-Pokemon-Showdown,Elveman/RPCShowdownServer,TheFenderStory/Pokemon-Showdown,AvinashSwaminathan/Pokelegends,Kevinxzllz/PS-Openshift-Server,comedianchameleon/test,Stroke123/POKEMON,Extradeath/advanced,abrulochp/Lumen-Pokemon-Showdown,gustavo515/final,Evil-kun/Pokemon-Showdown,ehk12/clone,Extradeath/psserver,DarkSuicune/Pokemon-Showdown,HoeenCoder/SpacialGaze,CorruptedHelix/Pokemon-Showdown,Pokemon-Devs/Pokemon-Showdown,SSJGVegito007/Vegito-s-Server,yashagl/pokemon-showdown,Irraquated/EOS-Master,Werfin96/Ultimate,MayukhKundu/Technogear,UniversalMan12/Universe-Server,urkerab/Pokemon-Showdown,Extradeath/psserver,KewlStatics/Showdown-Template,HoeenCoder/SpacialGaze