updated the changelog
updated the changelog

c960657/swiftmailer,swiftmailer/swiftmailer,handautsav/swiftmailer,swiftmailer/swiftmailer,Dubz/swiftmailer,Chhunlong/swiftmailer,kuslahne/swiftmailer,fvosberg/swiftmailer,robertklein/swiftmailer,jamesggordon/swiftmailer,kuslahne/swiftmailer,deguif/swiftmailer,zghosts/swiftmailer,gburyakovsky/swiftmailer,robertklein/swiftmailer,denpamusic/swiftmailer,voku/swiftmailer,denpamusic/swiftmailer,Chhunlong/swiftmailer,deguif/swiftmailer,fvosberg/swiftmailer,gburyakovsky/swiftmailer,michabbb-backup/swiftmailer,zghosts/swiftmailer,voku/swiftmailer,gencer/swiftmailer,c960657/swiftmailer,Rotzbua/swiftmailer,michabbb-backup/swiftmailer,tweakers-dev/swiftmailer,papagel/swiftmailer,gencer/swiftmailer,Rotzbua/swiftmailer,Dubz/swiftmailer,tweakers-dev/swiftmailer,handautsav/swiftmailer,jamesggordon/swiftmailer,papagel/swiftmailer