Changed __add__ to return the correct phase for the addition of two TWave objects
Changed __add__ to return the correct phase for the addition of two TWave objects

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