[2/7] _sympifyit -- fast decorator to _sympify(arg)
[2/7] _sympifyit -- fast decorator to _sympify(arg)

Switch ArithMeths to `_sympifyit`

Timings
-------

        %timeit   %timeit   %timeit   %timeit
         x + y     x + 1     1 + x     x + 0.5

old:     30.4 µs   53.6 µs   83 µs     57.6 µs
new:     27.1 µs   44.1 µs   44.1 µs   23.2 µs

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