feat: Turtle.Clear() steps and Turtles ( Fixes #223, Fixes #224 )

Author: StartAutomating

Turtle.types.ps1xml

@@ -486,12 +486,23 @@ return $this
       <ScriptMethod>
         <Name>Clear</Name>
         <Script>
-                        $this.Heading = 0
-$this.Steps = @()
+                        &lt;#
+.SYNOPSIS
+    Clears a Turtle
+.DESCRIPTION
+    Clears the heading, steps, position, minimim, maximum, and any nested Turtles.
+.EXAMPLE
+    turtle square 42 clear circle 21
+#&gt;
+$this.Heading = 0
+if ($this.Steps.Clear) {
+    $this.Steps.Clear()
+}
 $this | Add-Member -MemberType NoteProperty -Force -Name '.Position' -Value ([pscustomobject]@{ X = 0; Y = 0 })
 $this | Add-Member -MemberType NoteProperty -Force -Name '.Minimum' -Value ([pscustomobject]@{ X = 0; Y = 0 })
 $this | Add-Member -MemberType NoteProperty -Force -Name '.Maximum' -Value ([pscustomobject]@{ X = 0; Y = 0 })
 $this.ViewBox = 0
+$this.Turtles.Clear()
 return $this
                     </Script>
       </ScriptMethod>