create a vcloud model class with the common code
renamed everyone to lazy_load
subclass to use the new Collection class
using vcloud classes Model and Collection
symbolize extract keys
better naming of local vars
refactor to user vcloud classes
refactor vdc to use vcloud classes
refactor vapp to use the vcloud classes
refactor vm to use vcloud classes
disks fully refactor to use the vcloud classes
better erring
string -> sym
string -> sym
tags refactored