Reads Attachments from email and processes it.
     1. getFrom() : get email address.
     2. detectAttachments() : detects attachments from email body. This is automatically called. We donot need to call them.
     3. countAttachments() : returns counts number of attachments.
     4. getAttachmentArrayJ() : returns lists of attacments in json format.
     5. getAttachmentArray() : returns lists of attachments in php array format.

    (Attachments with Emails has been tested with outlook, hotmail, gmail, apple mail.)

     @author Sourja T Banerjee

Signed-off-by: Sourja <sourjatilak@gmail.com>