Reorder methods inside class Float.
Reorder methods inside class Float.

The conventional order is to have class attributes, then constructors,
then everything else. Float now obeys this.

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