content-type fix

functions/private/Invoke-Request.ps1

@@ -27,22 +27,20 @@ function Invoke-Request {
     if ($_tokenStatus -eq "Expired") { Update-Session }
 
     $_uri = "$($script:psipamSession.URL)/api/$($script:psipamSession.AppID)/$Controller"
-    if ($SubController -ne $null) { $_uri += "/$SubController"  }
-    if ($Identifiers   -ne $null) { $_uri += "/$($Identifiers -join '/')/" }
+    if ($null -ne $SubController) { $_uri += "/$SubController"  }
+    if ($null -ne $Identifiers)   { $_uri += "/$($Identifiers -join '/')/" }
     
-    $_headers  = @{
-        "Accept"        = "application/json"
-        "Content-Type"  = "application/json"
-    }
+    $_headers  = @{ }
     switch ($script:psipamSession.AuthType) {
         "Credentials" { $_headers.Add("token", $script:psipamSession.Token) }
         "Token"       { $_headers.Add("phpipam-token", $script:psipamSession.Token) }
     }
 
     $_arguments = @{
-        Method  = $Method
-        Uri     = $_uri
-        Headers = $_headers
+        Method      = $Method
+        Uri         = $_uri
+        Headers     = $_headers
+        ContentType = "application/json"
     }
     
     if ($Method -eq "POST" -or $Method -eq "PATCH") {

functions/public/New-Session.ps1

@@ -107,5 +107,6 @@ function New-Session {
             break
         }
     }
+    return $script:psipamSession
 }
 Export-ModuleMember -Function New-Session