Fix ListServers to yield full details.

Also, provide ListServersLinksOnly() if you want to retain the older
behavior.  LinksOnly variant isn't terribly useful though, as it
provides virtually _no_ useful information other than the mere existence
of a server.

Fixes #45.
diff --git a/acceptance/02-list-servers.go b/acceptance/02-list-servers.go
index 64ec4f6..758c706 100644
--- a/acceptance/02-list-servers.go
+++ b/acceptance/02-list-servers.go
@@ -33,14 +33,47 @@
 		panic(err)
 	}
 
+  tryFullDetails(api)
+  tryLinksOnly(api)
+}
+
+func tryLinksOnly(api gophercloud.CloudServersProvider) {
+	servers, err := api.ListServersLinksOnly()
+	if err != nil {
+		panic(err)
+	}
+
+	if !*quiet {
+    fmt.Println("Id,Name")
+		for _, s := range servers {
+      if s.AccessIPv4 != "" {
+        panic("IPv4 not expected")
+      }
+
+      if s.Status != "" {
+        panic("Status not expected")
+      }
+
+      if s.Progress != 0 {
+        panic("Progress not expected")
+      }
+
+			fmt.Printf("%s,\"%s\"\n", s.Id, s.Name)
+		}
+	}
+}
+
+func tryFullDetails(api gophercloud.CloudServersProvider) {
 	servers, err := api.ListServers()
 	if err != nil {
 		panic(err)
 	}
 
 	if !*quiet {
+    fmt.Println("Id,Name,AccessIPv4,Status,Progress")
 		for _, s := range servers {
-			fmt.Printf("%s\n", s.Id)
+			fmt.Printf("%s,\"%s\",%s,%s,%d\n", s.Id, s.Name, s.AccessIPv4, s.Status, s.Progress)
 		}
 	}
 }
+