Transfer more methods from Basic to Expr: _eval_interval, _eval_power, _eval_derivative, _eval_conjugate, conjugate, removeO, getO.
Transfer more methods from Basic to Expr:
_eval_interval, _eval_power, _eval_derivative, _eval_conjugate, conjugate,
removeO, getO.

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