TAStudio - disable tab, shift+tab, and space, because people like to use these as important hotkeys and because FCEUX's taseditor does this, and people seem to want it that way

BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs

@@ -632,6 +632,18 @@ namespace BizHawk.Client.EmuHawk
 			DoTriggeredAutoRestoreIfNeeded();
 		}
 
+		protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
+		{
+			if (keyData == Keys.Tab ||
+				keyData == (Keys.Shift | Keys.Tab) ||
+				keyData == Keys.Space)
+			{
+				return true;
+			}
+			
+			return base.ProcessCmdKey(ref msg, keyData);
+		}
+
 		#endregion
 	}
 }