Pack script fixes

build.ps1

@@ -1,10 +1,10 @@
 if (Test-Path Env:\APPVEYOR_BUILD_NUMBER) {
-    $build = [convert]::ToInt32($env:APPVEYOR_BUILD_NUMBER).ToString("00000")
+    $build = $env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0")
 } else {
     $build = "dev"
 }
 
-dotnet restore Discord.Net.sln
+appveyor-retry dotnet restore Discord.Net.sln -v Minimal -p:BuildNumber="$build"
 if ($LastExitCode -ne 0) { $host.SetShouldExit($LastExitCode) }
 dotnet build Discord.Net.sln -c "Release" -p:BuildNumber="$build"
 if ($LastExitCode -ne 0) { $host.SetShouldExit($LastExitCode) }

pack.ps1

@@ -1,5 +1,5 @@
 if (Test-Path Env:\APPVEYOR_BUILD_NUMBER) {
-    $build = [convert]::ToInt32($env:APPVEYOR_BUILD_NUMBER).ToString("00000")
+    $build = $env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0")
 } else {
     $build = "dev"
 }

test.ps1

@@ -1,2 +1,8 @@
+if (Test-Path Env:\APPVEYOR_BUILD_NUMBER) {
+    $build = $env:APPVEYOR_BUILD_NUMBER.PadLeft(5, "0")
+} else {
+    $build = "dev"
+}
+
 dotnet test test/Discord.Net.Tests/Discord.Net.Tests.csproj -c "Release" --noBuild -p:BuildNumber="$build"
 if ($LastExitCode -ne 0) { $host.SetShouldExit($LastExitCode) }