Vinzent added to README.
Vinzent added to README.

wyom/sympy,fperez/sympy,amitjamadagni/sympy,hargup/sympy,ryanGT/sympy,cswiercz/sympy,hazelnusse/sympy-old,VaibhavAgarwalVA/sympy,Davidjohnwilson/sympy,maniteja123/sympy,AunShiLord/sympy,lidavidm/sympy,AunShiLord/sympy,Vishluck/sympy,cccfran/sympy,kevalds51/sympy,shikil/sympy,pbrady/sympy,AkademieOlympia/sympy,abhiii5459/sympy,AkademieOlympia/sympy,yashsharan/sympy,saurabhjn76/sympy,rahuldan/sympy,shipci/sympy,jbbskinny/sympy,bukzor/sympy,yukoba/sympy,kumarkrishna/sympy,yashsharan/sympy,ga7g08/sympy,grevutiu-gabriel/sympy,wanglongqi/sympy,mcdaniel67/sympy,AunShiLord/sympy,garvitr/sympy,sunny94/temp,kmacinnis/sympy,kaichogami/sympy,ahhda/sympy,debugger22/sympy,iamutkarshtiwari/sympy,atreyv/sympy,meghana1995/sympy,hargup/sympy,yukoba/sympy,jerli/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,saurabhjn76/sympy,diofant/diofant,MechCoder/sympy,minrk/sympy,liangjiaxing/sympy,abloomston/sympy,bukzor/sympy,atreyv/sympy,kaushik94/sympy,souravsingh/sympy,garvitr/sympy,sahmed95/sympy,cswiercz/sympy,chaffra/sympy,kumarkrishna/sympy,shipci/sympy,MridulS/sympy,jbbskinny/sympy,farhaanbukhsh/sympy,Davidjohnwilson/sympy,chaffra/sympy,cswiercz/sympy,kaushik94/sympy,sunny94/temp,asm666/sympy,sahmed95/sympy,ChristinaZografou/sympy,Sumith1896/sympy,sahilshekhawat/sympy,sunny94/temp,souravsingh/sympy,jbaayen/sympy,postvakje/sympy,souravsingh/sympy,hazelnusse/sympy-old,pernici/sympy,lidavidm/sympy,Arafatk/sympy,maniteja123/sympy,ga7g08/sympy,vipulroxx/sympy,garvitr/sympy,aktech/sympy,liangjiaxing/sympy,AkademieOlympia/sympy,jerli/sympy,lindsayad/sympy,VaibhavAgarwalVA/sympy,flacjacket/sympy,meghana1995/sympy,sampadsaha5/sympy,Sumith1896/sympy,pbrady/sympy,sahilshekhawat/sympy,iamutkarshtiwari/sympy,oliverlee/sympy,sampadsaha5/sympy,toolforger/sympy,pandeyadarsh/sympy,cccfran/sympy,jaimahajan1997/sympy,oliverlee/sympy,pandeyadarsh/sympy,moble/sympy,MridulS/sympy,shikil/sympy,jamesblunt/sympy,Gadal/sympy,Designist/sympy,wanglongqi/sympy,aktech/sympy,mafiya69/sympy,wanglongqi/sympy,amitjamadagni/sympy,Arafatk/sympy,drufat/sympy,kaichogami/sympy,madan96/sympy,Titan-C/sympy,moble/sympy,beni55/sympy,rahuldan/sympy,Gadal/sympy,yashsharan/sympy,kevalds51/sympy,MechCoder/sympy,debugger22/sympy,bukzor/sympy,grevutiu-gabriel/sympy,mafiya69/sympy,atreyv/sympy,moble/sympy,beni55/sympy,cccfran/sympy,hrashk/sympy,kaichogami/sympy,dqnykamp/sympy,oliverlee/sympy,meghana1995/sympy,skidzo/sympy,sahmed95/sympy,rahuldan/sympy,emon10005/sympy,skidzo/sympy,sahilshekhawat/sympy,mcdaniel67/sympy,beni55/sympy,jamesblunt/sympy,jamesblunt/sympy,Davidjohnwilson/sympy,postvakje/sympy,abhiii5459/sympy,liangjiaxing/sympy,kaushik94/sympy,asm666/sympy,jaimahajan1997/sympy,Designist/sympy,skirpichev/omg,ChristinaZografou/sympy,debugger22/sympy,jbbskinny/sympy,mcdaniel67/sympy,wyom/sympy,chaffra/sympy,Shaswat27/sympy,lindsayad/sympy,maniteja123/sympy,mafiya69/sympy,tovrstra/sympy,Shaswat27/sympy,kmacinnis/sympy,lidavidm/sympy,mattpap/sympy-polys,Curious72/sympy,saurabhjn76/sympy,emon10005/sympy,grevutiu-gabriel/sympy,atsao72/sympy,kmacinnis/sympy,VaibhavAgarwalVA/sympy,MechCoder/sympy,farhaanbukhsh/sympy,shikil/sympy,Sumith1896/sympy,shipci/sympy,atsao72/sympy,pandeyadarsh/sympy,hrashk/sympy,Arafatk/sympy,ga7g08/sympy,Titan-C/sympy,Curious72/sympy,MridulS/sympy,drufat/sympy,ChristinaZografou/sympy,Curious72/sympy,asm666/sympy,abloomston/sympy,hrashk/sympy,ahhda/sympy,Shaswat27/sympy,KevinGoodsell/sympy,dqnykamp/sympy,drufat/sympy,aktech/sympy,pbrady/sympy,Mitchkoens/sympy,minrk/sympy,kumarkrishna/sympy,vipulroxx/sympy,srjoglekar246/sympy,farhaanbukhsh/sympy,ahhda/sympy,vipulroxx/sympy,yukoba/sympy,toolforger/sympy,Mitchkoens/sympy,atsao72/sympy,toolforger/sympy,madan96/sympy,Titan-C/sympy,hargup/sympy,Mitchkoens/sympy,wyom/sympy,Designist/sympy,abloomston/sympy,abhiii5459/sympy,dqnykamp/sympy,madan96/sympy,Vishluck/sympy,skidzo/sympy,Vishluck/sympy,postvakje/sympy,kevalds51/sympy,jerli/sympy,emon10005/sympy,Gadal/sympy,lindsayad/sympy,iamutkarshtiwari/sympy