Add set_version.ps1 helper script

Author: const-cloudinary

set_version.ps1

@@ -0,0 +1,31 @@
+param(
+    [Parameter(Mandatory=$true)][string]$VersionStr
+)
+
+# Some basic validation
+$Version = [System.Version]::Parse($VersionStr)
+
+$NuspecPath = "$PSScriptRoot/CloudinaryDotNet.nuspec"
+
+$CsProjPaths = @(
+    "$PSScriptRoot/Cloudinary/Cloudinary.csproj",
+    "$PSScriptRoot/Core/CloudinaryDotNet.Core.csproj"
+)
+
+function Set-Nuspec-Version($NuspecPath, $Version) {
+    $Text = [IO.File]::ReadAllText($NuspecPath) -replace "<version>\d+\.\d+\.?\d*</version>", "<version>$Version</version>"
+    [IO.File]::WriteAllText($NuspecPath, $Text)
+}
+
+function Set-CsProj-Version($CsProjPath, $Version) {
+    $Text = [IO.File]::ReadAllText($CsProjPath) `
+        -replace "<Version>\d+\.\d+\.?\d*</Version>", "<Version>$Version</Version>" `
+        -replace "<FileVersion>\d+\.\d+\.?\d*</FileVersion>", "<FileVersion>$Version</FileVersion>"
+    [IO.File]::WriteAllText($CsProjPath, $Text)
+}
+
+Set-Nuspec-Version $NuspecPath $Version
+
+foreach ($CsProjPath in $CsProjPaths) {
+	Set-CsProj-Version $CsProjPath $Version
+}