updated CHANGES file w/ PR number
updated CHANGES file w/ PR number

hellysmile/aiohttp,KeepSafe/aiohttp,alex-eri/aiohttp-1,alex-eri/aiohttp-1,arthurdarcet/aiohttp,singulared/aiohttp,pfreixes/aiohttp,AraHaanOrg/aiohttp,z2v/aiohttp,arthurdarcet/aiohttp,juliatem/aiohttp,singulared/aiohttp,z2v/aiohttp,juliatem/aiohttp,rutsky/aiohttp,KeepSafe/aiohttp,hellysmile/aiohttp,rutsky/aiohttp,KeepSafe/aiohttp,rutsky/aiohttp,z2v/aiohttp,AraHaanOrg/aiohttp,Eyepea/aiohttp,pfreixes/aiohttp,arthurdarcet/aiohttp,singulared/aiohttp,alex-eri/aiohttp-1,playpauseandstop/aiohttp