Misc optimization

I like how R# spots multiple enumerations.

.travis.yml

@@ -50,11 +50,10 @@ matrix:
   fast_finish: true
   include:
     # We're building ASF with dotnet on latest versions of Linux and OS X
-    # Ref: https://docs.travis-ci.com/user/ci-environment/#Virtualization-environments
     - os: linux
-      # Ref: https://docs.travis-ci.com/user/trusty-ci-environment/
+      # Ref: https://docs.travis-ci.com/user/reference/trusty/
       dist: trusty
       sudo: false
     - os: osx
-      # Ref: https://docs.travis-ci.com/user/osx-ci-environment/
+      # Ref: https://docs.travis-ci.com/user/reference/osx/
       osx_image: xcode9

ArchiSteamFarm/CardsFarmer.cs

@@ -926,7 +926,7 @@ namespace ArchiSteamFarm {
 				case BotConfig.EFarmingOrder.RedeemDateTimesDescending:
 					Dictionary<uint, DateTime> redeemDates = new Dictionary<uint, DateTime>(GamesToFarm.Count);
 
-					foreach (Game game in gamesToFarm) {
+					foreach (Game game in GamesToFarm) {
 						DateTime redeemDate = DateTime.MinValue;
 						if (Program.GlobalDatabase.AppIDsToPackageIDs.TryGetValue(game.AppID, out ConcurrentHashSet<uint> packageIDs)) {
 							// ReSharper disable once LoopCanBePartlyConvertedToQuery - C# 7.0 out can't be used within LINQ query yet | https://github.com/dotnet/roslyn/issues/15619

appveyor.yml

@@ -62,7 +62,7 @@ notifications:
     {
     	"avatar_url": "https://www.appveyor.com/assets/img/appveyor-logo-256.png",
     	"username": "AppVeyor",
-    	"content": "[{{projectName}}:{{branch}}] {{commitMessage}} - {{committerName}} ({{commitId}}) | **{{status}}** | {{buildUrl}}"
+    	"content": "[{{projectName}}:{{branch}}] {{commitMessage}} - {{committerName}} ({{commitId}}) | {{buildUrl}}/artifacts | **{{status}}**"
     }
   on_build_success: true
   on_build_failure: true