Changed version to 4.0.0-b1
Changed version to 4.0.0-b1

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