Adding the ability to insert additional disks on server creation
fallback logkc for google's failure mode

google has a failure mode where it will return all disks when you
request for a single one.

This happens only for some disk names.

When this happens, we can just select for our disk name to find it
Better error message when disk is not found
Merge pull request #32 from snapsam/addingDisk

Adding the ability to insert additional disks on server creation