Merge pull request #1 from zoshigayan/add-numpad-keycodes

add numpad keycodes

Author: vcaesar

keycode.go

@@ -103,6 +103,22 @@ var Keycode = UMap{
 	"f10": 68,
 	"f11": 69,
 	"f12": 70,
+	// numeric keypad
+	"keypad_1":        79,
+	"keypad_2":        80,
+	"keypad_3":        81,
+	"keypad_4":        75,
+	"keypad_5":        76,
+	"keypad_6":        77,
+	"keypad_7":        71,
+	"keypad_8":        72,
+	"keypad_9":        73,
+	"keypad_0":        82,
+	"keypad_minus":    74,
+	"keypad_plus":     78,
+	"keypad_asterisk": 55,
+	"keypad_slash":    3637,
+	"keypad_enter":    3612,
 	// more
 	"esc":     1,
 	"delete":  14,