Modified SAX document parser and SOAP builder to simplify data structures. "elem" and "attribtutes" keys and unnecessary arrays were removed. All "simplify" methods where removed as they are no longer required.

Added builder methods to build contact items.
Added support for HTTPS version
SortOrder feature
Fixed error in response_messages array index
Extende support for contact folders and creating a contact item.
Merge branch 'master' of https://github.com/bcherrington/Viewpoint