Added numerical is_.. properties to sandbox.core
Added numerical is_.. properties to sandbox.core

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