Updated README documentation with new MailResult features
Updated README documentation with new MailResult features

samsonasik/ZF2-AcMailer,acelaya/ZF2-AcMailer,nomaanp/ZF2-AcMailer,samsonasik/ZF2-AcMailer,nomaanp/ZF2-AcMailer,acelaya/ZF-AcMailer,acelaya/ZF2-AcMailer,acelaya/ZF-AcMailer