fix: Turtle.get_PathData allowing zero starts ( Fixes #245 )

Author: StartAutomating

Types/Turtle/get_PathData.ps1

@@ -29,7 +29,7 @@
     $precision = $this.Precision
     filter roundToPrecision { [Math]::Round($_, $precision)}
 
-    if ($this.Start.X -and $this.Start.Y) {
+    if ($null -ne $this.Start.X -and $null -ne $this.Start.Y) {
         if ($precision) {
             "m $($this.Start.x | roundToPrecision) $($this.Start.y | roundToPrecision)"
         } else {