Fix some crashes and UI bugs

Audio manager crashed after loading a second song

Color Picker and ArtPad palette entries were not appearing properly.

Fonts in Shifter could not have decimal sizes.

ShiftOS.WinForms/Applications/Artpad.cs

@@ -54,6 +54,7 @@ namespace ShiftOS.WinForms.Applications
             try
             {
                 InitializeComponent();
+                
             }
             catch (Exception ex)
             {
@@ -1851,7 +1852,11 @@ namespace ShiftOS.WinForms.Applications
 
         public void OnLoad()
         {
-            
+            foreach (Control ctrl in flowcolours.Controls)
+            {
+                ctrl.Tag = "keepbg";
+                ctrl.BackColor = Color.Black;
+            }
         }
 
         public void OnSkinLoad()

ShiftOS.WinForms/Applications/ColorPicker.cs

@@ -62,54 +62,65 @@ namespace ShiftOS.WinForms.Applications
             foreach (Control ctrl in pnlanycolours.Controls)
             {
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionany);
+                ctrl.Tag = "keepbg";
             }
             foreach (Control ctrl in pnlgraycolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctiongray);
             }
 
             foreach (Control ctrl in pnlredcolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionred);
             }
 
             foreach (Control ctrl in pnlgreencolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctiongreen);
             }
 
             foreach (Control ctrl in pnlbluecolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionblue);
             }
 
             foreach (Control ctrl in pnlorangecolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionorange);
             }
 
             foreach (Control ctrl in pnlyellowcolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionyellow);
             }
 
             foreach (Control ctrl in pnlbrowncolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionbrown);
             }
 
             foreach (Control ctrl in pnlpurplecolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionpurple);
             }
 
             foreach (Control ctrl in pnlpinkcolours.Controls)
             {
+                ctrl.Tag = "keepbg";
                 ctrl.MouseDown += new MouseEventHandler(this.colourselctionpink);
             }
-
+            pnloldcolour.Tag = "keepbg";
             pnloldcolour.Click += new EventHandler(pnloldcolour_Click);
             pnlnewcolour.Click += new EventHandler(pnlnewcolour_Click);
+            pnlnewcolour.Tag = "keepbg";
         }
 
         public int anylevel = 0;

ShiftOS.WinForms/Applications/Shifter.cs

@@ -379,7 +379,7 @@ namespace ShiftOS.WinForms.Applications
 
                         var f = en[style.SelectedIndex];
 
-                        c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToInt32(size.Text), f));
+                        c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToDouble(size.Text), f));
                         CodepointValue += 100;
                     };
 
@@ -389,7 +389,7 @@ namespace ShiftOS.WinForms.Applications
 
                         var f = en[style.SelectedIndex];
 
-                        c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToInt32(size.Text), f));
+                        c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToDouble(size.Text), f));
                         CodepointValue += 50;
                     };
 
@@ -401,7 +401,7 @@ namespace ShiftOS.WinForms.Applications
 
                             var f = en[style.SelectedIndex];
 
-                            c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToInt32(size.Text), f));
+                            c.Field.SetValue(LoadedSkin, new Font(name.Text, (float)Convert.ToDouble(size.Text), f));
                         }
                         catch
                         {

ShiftOS_TheReturn/AudioManager.cs

@@ -45,6 +45,8 @@ namespace ShiftOS.Engine
                     {
                         Thread.Sleep(5000); //even when the player isn't playing, this will give a good delay between songs.
                     }
+                    _reader.Dispose();
+                    _out.Dispose();
                 }
             });
             t.IsBackground = true;
@@ -56,6 +58,8 @@ namespace ShiftOS.Engine
             _provider.Volume = volume; //persist between songs
             _out.Volume = volume;
         }
+
+        
     }
 
     public interface IAudioProvider