Fixes, added session class

functions/public/Get-FirstFreeIP.ps1

@@ -7,9 +7,8 @@ function Get-FirstFreeIP {
         [string]
         $CIDR,
         [parameter(Mandatory=$true,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,Position=0,ParameterSetName="ByID")]
-        [ValidateScript({ $_ -match "^\d+$" })]
         [ValidateNotNullOrEmpty()]
-        [string]
+        [int]
         $Id,
         [parameter(Mandatory=$false,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,Position=0,ParameterSetName="BySubnetObject")]
         [ValidateNotNullOrEmpty()]
@@ -19,7 +18,7 @@ function Get-FirstFreeIP {
     process {
         $_params = @{
             Controller = [PS.IPAM.controllers]::subnets
-            Method     = [PS.IPAM.methods]::GET
+            Method     = "GET"
         }
         switch ($PSCmdlet.ParameterSetName) {
             "ByID"      { $_subnetId = $Id; break }