Added more units for attachments * multiple atttachments * bad id/rev/name cases * added HEAD tests
Added more units for attachments
* multiple atttachments
* bad id/rev/name cases
* added HEAD tests

RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB,RipcordSoftware/AvanceDB