remove cmp; gt -> lt; add __hash__ and __eq__ to Point
remove cmp; gt -> lt; add __hash__ and __eq__ to Point

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