remove save to stream code in library.

Fix grammar error in validation.

DeathSocket/ImageServices.fs

@@ -3,7 +3,6 @@
     open System.Drawing
     open System.Drawing.Imaging
     open DeathSocket
-    open System.IO
 
     let createHorizontalLines width height rows =
         let interval = width / rows
@@ -29,18 +28,4 @@
         img.Save (spec.savePath, ImageFormat.Png)
         img.Dispose ()
         graphics.Dispose ()
-        pen.Dispose ()
-
-    let drawGridToStream (imgStream: Stream) spec =
-        let img = Bitmap.FromFile (spec.imagePath)
-        let graphics = Graphics.FromImage img
-        let pen = new Pen (spec.colour, width = spec.penWidth)
-        let horizontalLines =
-            createHorizontalLines (img.Size.Width) (img.Size.Height) (spec.columns)
-        let verticalLines = createVerticalLines (img.Size.Height) (spec.columns)
-        for line in horizontalLines do graphics.DrawLines (pen, line)
-        for line in verticalLines do graphics.DrawLines (pen, line)
-        graphics.Dispose ()
-        pen.Dispose ()
-        img.Save (imgStream, spec.format)
-        img.Dispose ()
+        pen.Dispose ()

DeathSocket/ScratchPad.fsx

@@ -8,6 +8,8 @@ open System
 open DeathSocket
 open Validation
 open ImageServices
+open System.Drawing.Imaging
+open System.IO
 
 
 // INITIAL IDEA ===============================================================

DeathSocket/Validation.fs

@@ -5,5 +5,5 @@ open System.IO
     let validateFilePath path =
         match File.Exists path with
         | true -> ()
-        | false -> raise (new FileNotFoundException (path + "could not be found."))
+        | false -> raise (new FileNotFoundException (path + " could not be found."))