Add down/up indication of data count

Other improvements:

- TunnelKit reports 0 rather than nil upon connection.
- Fall back to "Unavailable" rather than empty string.

Passepartout-iOS/Scenes/ServiceViewController.swift

@@ -760,7 +760,7 @@ extension ServiceViewController: UITableViewDataSource, UITableViewDelegate, Tog
             if let count = currentDataCount, vpn.status == .connected {
                 cell.rightText = L10n.Service.Cells.DataCount.value(count.0.dataUnitDescription, count.1.dataUnitDescription)
             } else {
-                cell.rightText = nil
+                cell.rightText = L10n.Service.Cells.DataCount.none
             }
             cell.accessoryType = .none
             cell.isTappable = false

Passepartout/Resources/en.lproj/Localizable.strings

@@ -108,7 +108,8 @@
 "service.cells.trusted_policy.caption" = "Trust disables VPN";
 "service.cells.test_connectivity.caption" = "Test connectivity";
 "service.cells.data_count.caption" = "Exchanged data count";
-"service.cells.data_count.value" = "%@ / %@";
+"service.cells.data_count.value" = "↓%@ / ↑%@";
+"service.cells.data_count.none" = "Unavailable";
 "service.cells.debug_log.caption" = "Debug log";
 "service.cells.masks_private_data.caption" = "Mask network data";
 "service.cells.report_issue.caption" = "Report connectivity issue";

Passepartout/Sources/SwiftGen+Strings.swift

@@ -543,7 +543,9 @@ public enum L10n {
       public enum DataCount {
         /// Exchanged data count
         public static let caption = L10n.tr("Localizable", "service.cells.data_count.caption")
-        /// %@ / %@
+        /// Unavailable
+        public static let `none` = L10n.tr("Localizable", "service.cells.data_count.none")
+        /// ↓%@ / ↑%@
         public static func value(_ p1: String, _ p2: String) -> String {
           return L10n.tr("Localizable", "service.cells.data_count.value", p1, p2)
         }

Podfile

@@ -5,8 +5,8 @@ use_frameworks!
 def shared_pods
     #pod 'TunnelKit', '~> 1.5.0'
     #pod 'TunnelKit/LZO', '~> 1.5.0'
-    pod 'TunnelKit', :git => 'https://github.com/keeshux/tunnelkit', :commit => '93a7729'
-    pod 'TunnelKit/LZO', :git => 'https://github.com/keeshux/tunnelkit', :commit => '93a7729'
+    pod 'TunnelKit', :git => 'https://github.com/keeshux/tunnelkit', :commit => 'a638767'
+    pod 'TunnelKit/LZO', :git => 'https://github.com/keeshux/tunnelkit', :commit => 'a638767'
     #pod 'TunnelKit', :path => '../../personal/tunnelkit'
     #pod 'TunnelKit/LZO', :path => '../../personal/tunnelkit'
 end

Podfile.lock

@@ -15,8 +15,8 @@ PODS:
 
 DEPENDENCIES:
   - MBProgressHUD
-  - TunnelKit (from `https://github.com/keeshux/tunnelkit`, commit `93a7729`)
-  - TunnelKit/LZO (from `https://github.com/keeshux/tunnelkit`, commit `93a7729`)
+  - TunnelKit (from `https://github.com/keeshux/tunnelkit`, commit `a638767`)
+  - TunnelKit/LZO (from `https://github.com/keeshux/tunnelkit`, commit `a638767`)
 
 SPEC REPOS:
   https://github.com/cocoapods/specs.git:
@@ -26,12 +26,12 @@ SPEC REPOS:
 
 EXTERNAL SOURCES:
   TunnelKit:
-    :commit: 93a7729
+    :commit: a638767
     :git: https://github.com/keeshux/tunnelkit
 
 CHECKOUT OPTIONS:
   TunnelKit:
-    :commit: 93a7729
+    :commit: a638767
     :git: https://github.com/keeshux/tunnelkit
 
 SPEC CHECKSUMS:
@@ -40,6 +40,6 @@ SPEC CHECKSUMS:
   SwiftyBeaver: 4cc0080d2e23f980652e28978db11a5c9da39165
   TunnelKit: 9d8089c4600ea9b3a54841391b4969f2faa9c17f
 
-PODFILE CHECKSUM: 6010aa429513f9c70c23f9087ac02d60b1a183b6
+PODFILE CHECKSUM: 41cfe6321ea8695a6288fd8009199854a1a8fbe2
 
 COCOAPODS: 1.6.1