libclient: ongoing work on VM code

src/client/cmdTemplate/templateDel.go

src/client/cmdVM/helper.go

src/client/cmdVM/vmAddAccess.go

src/client/cmdVM/vmAttachAsyncSingle.go

src/client/cmdVM/vmCreate.go

src/client/cmdVM/vmDel.go

src/client/cmdVM/vmDelAccess.go

src/client/cmdVM/vmEdit.go

src/client/cmdVM/vmExportDir.go

src/client/cmdVM/vmImportDir.go

src/client/cmdVM/vmList.go

src/client/cmdVM/vmListSingle.go

src/client/cmdVM/vmReboot.go

src/client/cmdVM/vmShutdown.go

src/client/cmdVM/vmStart.go

src/client/cmdVM/vmStartAttach.go

src/client/cmdVM/vmStop.go

src/libclient/go.mod

src/libclient/template/deserializer.go

src/libclient/user/deserializer.go