Remove old debug statements
Print stack trace on RuntimeException
Update ConfigModes
Added getDatastoreReference
Add getCdromDrive and rework getFloppyDiskDrive
Add ConfigModes and Entry point
Refactor power state logic to checkVirtualMachinePowerState
Add getVirtualMachineFloppyDrives and getVirtualMachineCdromDrives
getFloppyDiskDrive properly sets its unit number, and errors if all slots are full
Add logic to remove odd and floppy drives
Refactor getTaskInfoResult to return Object instead of ManagedObjectReference

In some cases, the result of getEntityProps is an actual Task result, not
just a reference to an Managed Object. We'll let the caller sort out the
returned object, because they should know what to expect.
Add DatastoreListMode and add it to Entry
Clarify help
Merge branch 'feature/cdrom-floppy' into develop
Bump version, update README, update changelog
Merge branch 'release/0.5' into develop