Add /binder delete

diff --git a/Binder.lua b/Binder.lua
index 4a8040a..7c2d0ed 100644
--- a/Binder.lua
+++ b/Binder.lua
@@ -140,11 +140,25 @@ function Binder.ListBindings()
     end
 end

+function Binder.DeleteBindings(bindSetName)
+    if bindSetName == nil or bindSetName == "" then
+        print("Usage: /binder delete <set name>")
+        return
+    end
+    if Binder.savedVariables.bindings[bindSetName] == nil then
+        print("Bind set '", bindSetName, "' does not exist.")
+        return
+    end
+    Binder.savedVariables.bindings[bindSetName] = nil
+    print("Deleted bind set '", bindSetName, "'.")
+end
+
 Binder.commands = {
     ["build"] = Binder.BuildBindingsTable,
     ["save"] = Binder.SaveBindings,
     ["load"] = Binder.LoadBindings,
     ["list"] = Binder.ListBindings,
+    ["delete"] = Binder.DeleteBindings,
 }

 function Binder.SlashCommandHelp()
@@ -152,6 +166,7 @@ function Binder.SlashCommandHelp()
     print("- /binder save <set name> (saves current keybindings)")
     print("- /binder load <set name> (loads specified keybindings)")
     print("- /binder list (lists all saved bind sets)")
+    print("- /binder delete <set name> (deletes specified keybindings)")
 end

 function Binder.SlashCommand(argtext)