diff --git a/bot.go b/bot.go
index 02affb7..f2dccb2 100644
--- a/bot.go
+++ b/bot.go
@@ -62,8 +62,9 @@ func NewBotAPIWithClient(token string, client *http.Client) (*BotAPI, error) {
 	return bot, nil
 }
 
-func (b *BotAPI) SetAPIEndpoint(apiEndpoint string) {
-	b.apiEndpoint = apiEndpoint
+// SetAPIEndpoint changes the Telegram Bot API endpoint used by the instance.
+func (bot *BotAPI) SetAPIEndpoint(apiEndpoint string) {
+	bot.apiEndpoint = apiEndpoint
 }
 
 func buildParams(in Params) (out url.Values) {
@@ -473,7 +474,7 @@ func WriteToHTTPResponse(w http.ResponseWriter, c Chattable) error {
 
 	if t, ok := c.(Fileable); ok {
 		if !t.useExistingFile() {
-			return errors.New("Can't use HTTP Response to upload files.")
+			return errors.New("unable to use http response to upload files")
 		}
 	}
 
@@ -610,3 +611,23 @@ func (bot *BotAPI) StopPoll(config StopPollConfig) (Poll, error) {
 
 	return poll, err
 }
+
+// GetMyCommands gets the currently registered commands.
+func (bot *BotAPI) GetMyCommands() ([]BotCommand, error) {
+	config := GetMyCommandsConfig{}
+
+	params, err := config.params()
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := bot.MakeRequest(config.method(), params)
+	if err != nil {
+		return nil, err
+	}
+
+	var commands []BotCommand
+	err = json.Unmarshal(resp.Result, &commands)
+
+	return commands, err
+}
diff --git a/bot_test.go b/bot_test.go
index fe1fd55..b5ab2bd 100644
--- a/bot_test.go
+++ b/bot_test.go
@@ -733,3 +733,44 @@ func TestPolls(t *testing.T) {
 		t.Fail()
 	}
 }
+
+func TestSendDice(t *testing.T) {
+	bot, _ := getBot(t)
+
+	dice := NewSendDice(ChatID)
+
+	msg, err := bot.Send(dice)
+	if err != nil {
+		t.Error("Unable to send dice roll")
+	}
+
+	if msg.Dice == nil {
+		t.Error("Dice roll was not received")
+	}
+}
+
+func TestSetCommands(t *testing.T) {
+	bot, _ := getBot(t)
+
+	setCommands := NewSetMyCommands(BotCommand{
+		Command:     "test",
+		Description: "a test command",
+	})
+
+	if _, err := bot.Request(setCommands); err != nil {
+		t.Error("Unable to set commands")
+	}
+
+	commands, err := bot.GetMyCommands()
+	if err != nil {
+		t.Error("Unable to get commands")
+	}
+
+	if len(commands) != 1 {
+		t.Error("Incorrect number of commands returned")
+	}
+
+	if commands[0].Command != "test" || commands[0].Description != "a test command" {
+		t.Error("Commands were incorrectly set")
+	}
+}
diff --git a/configs.go b/configs.go
index 716ed5d..217ffc1 100644
--- a/configs.go
+++ b/configs.go
@@ -1417,11 +1417,14 @@ func (config UploadStickerConfig) useExistingFile() bool {
 }
 
 // NewStickerSetConfig allows creating a new sticker set.
+//
+// You must set either PNGSticker or TGSSticker.
 type NewStickerSetConfig struct {
 	UserID        int64
 	Name          string
 	Title         string
 	PNGSticker    interface{}
+	TGSSticker    interface{}
 	Emojis        string
 	ContainsMasks bool
 	MaskPosition  *MaskPosition
@@ -1440,6 +1443,8 @@ func (config NewStickerSetConfig) params() (Params, error) {
 
 	if sticker, ok := config.PNGSticker.(string); ok {
 		params[config.name()] = sticker
+	} else if sticker, ok := config.TGSSticker.(string); ok {
+		params[config.name()] = sticker
 	}
 
 	params["emojis"] = config.Emojis
@@ -1460,9 +1465,17 @@ func (config NewStickerSetConfig) name() string {
 }
 
 func (config NewStickerSetConfig) useExistingFile() bool {
-	_, ok := config.PNGSticker.(string)
+	if config.PNGSticker != nil {
+		_, ok := config.PNGSticker.(string)
+		return ok
+	}
 
-	return ok
+	if config.TGSSticker != nil {
+		_, ok := config.TGSSticker.(string)
+		return ok
+	}
+
+	panic("NewStickerSetConfig had nil PNGSticker and TGSSticker")
 }
 
 // AddStickerConfig allows you to add a sticker to a set.
@@ -1470,6 +1483,7 @@ type AddStickerConfig struct {
 	UserID       int64
 	Name         string
 	PNGSticker   interface{}
+	TGSSticker   interface{}
 	Emojis       string
 	MaskPosition *MaskPosition
 }
@@ -1487,6 +1501,8 @@ func (config AddStickerConfig) params() (Params, error) {
 
 	if sticker, ok := config.PNGSticker.(string); ok {
 		params[config.name()] = sticker
+	} else if sticker, ok := config.TGSSticker.(string); ok {
+		params[config.name()] = sticker
 	}
 
 	err := params.AddInterface("mask_position", config.MaskPosition)
@@ -1542,6 +1558,43 @@ func (config DeleteStickerConfig) params() (Params, error) {
 	return params, nil
 }
 
+// SetStickerSetThumbConfig allows you to set the thumbnail for a sticker set.
+type SetStickerSetThumbConfig struct {
+	Name   string
+	UserID int
+	Thumb  interface{}
+}
+
+func (config SetStickerSetThumbConfig) method() string {
+	return "setStickerSetThumb"
+}
+
+func (config SetStickerSetThumbConfig) params() (Params, error) {
+	params := make(Params)
+
+	params["name"] = config.Name
+	params.AddNonZero("user_id", config.UserID)
+
+	if thumb, ok := config.Thumb.(string); ok {
+		params["thumb"] = thumb
+	}
+
+	return params, nil
+}
+
+func (config SetStickerSetThumbConfig) name() string {
+	return "thumb"
+}
+
+func (config SetStickerSetThumbConfig) getFile() interface{} {
+	return config.Thumb
+}
+
+func (config SetStickerSetThumbConfig) useExistingFile() bool {
+	_, ok := config.Thumb.(string)
+	return ok
+}
+
 // SetChatStickerSetConfig allows you to set the sticker set for a supergroup.
 type SetChatStickerSetConfig struct {
 	ChatID             int64
@@ -1609,3 +1662,44 @@ func (config MediaGroupConfig) params() (Params, error) {
 
 	return params, nil
 }
+
+// DiceConfig allows you to send a random dice roll to Telegram.
+type DiceConfig struct {
+	BaseChat
+}
+
+func (config DiceConfig) method() string {
+	return "sendDice"
+}
+
+func (config DiceConfig) params() (Params, error) {
+	return config.BaseChat.params()
+}
+
+// GetMyCommandsConfig gets a list of the currently registered commands.
+type GetMyCommandsConfig struct{}
+
+func (config GetMyCommandsConfig) method() string {
+	return "getMyCommands"
+}
+
+func (config GetMyCommandsConfig) params() (Params, error) {
+	return make(Params), nil
+}
+
+// SetMyCommandsConfig sets a list of commands the bot understands.
+type SetMyCommandsConfig struct {
+	commands []BotCommand
+}
+
+func (config SetMyCommandsConfig) method() string {
+	return "setMyCommands"
+}
+
+func (config SetMyCommandsConfig) params() (Params, error) {
+	params := make(Params)
+
+	err := params.AddInterface("commands", config.commands)
+
+	return params, err
+}
diff --git a/helpers.go b/helpers.go
index 434f87b..c6c4e61 100644
--- a/helpers.go
+++ b/helpers.go
@@ -509,7 +509,7 @@ func NewInlineQueryResultMPEG4GIF(id, url string) InlineQueryResultMPEG4GIF {
 	}
 }
 
-// NewInlineQueryResultCachedPhoto create a new inline query with cached photo.
+// NewInlineQueryResultCachedMPEG4GIF create a new inline query with cached photo.
 func NewInlineQueryResultCachedMPEG4GIF(id, MPEG4GifID string) InlineQueryResultCachedMpeg4Gif {
 	return InlineQueryResultCachedMpeg4Gif{
 		Type:   "mpeg4_gif",
@@ -914,3 +914,17 @@ func NewStopPoll(chatID int64, messageID int) StopPollConfig {
 		},
 	}
 }
+
+// NewSendDice allows you to send a random dice roll.
+func NewSendDice(chatID int64) DiceConfig {
+	return DiceConfig{
+		BaseChat{
+			ChatID: chatID,
+		},
+	}
+}
+
+// NewSetMyCommands allows you to set the registered commands.
+func NewSetMyCommands(commands ...BotCommand) SetMyCommandsConfig {
+	return SetMyCommandsConfig{commands: commands}
+}
diff --git a/types.go b/types.go
index adc15eb..0d35270 100644
--- a/types.go
+++ b/types.go
@@ -186,6 +186,7 @@ type Message struct {
 	Location              *Location             `json:"location"`                // optional
 	Venue                 *Venue                `json:"venue"`                   // optional
 	Poll                  *Poll                 `json:"poll"`                    // optional
+	Dice                  *Dice                 `json:"dice"`                    // optional
 	NewChatMembers        []User                `json:"new_chat_members"`        // optional
 	LeftChatMember        *User                 `json:"left_chat_member"`        // optional
 	NewChatTitle          string                `json:"new_chat_title"`          // optional
@@ -495,6 +496,11 @@ type Poll struct {
 	CorrectOptionID       int          `json:"correct_option_id"` // optional
 }
 
+// Dice represents a single dice value.
+type Dice struct {
+	Value int `json:"value"`
+}
+
 // UserProfilePhotos contains a set of user profile photos.
 type UserProfilePhotos struct {
 	TotalCount int           `json:"total_count"`
@@ -1067,11 +1073,18 @@ type PreCheckoutQuery struct {
 
 // StickerSet is a collection of stickers.
 type StickerSet struct {
-	Name          string    `json:"name"`
-	Title         string    `json:"title"`
-	IsAnimated    bool      `json:"is_animated"`
-	ContainsMasks bool      `json:"contains_masks"`
-	Stickers      []Sticker `json:"stickers"`
+	Name          string     `json:"name"`
+	Title         string     `json:"title"`
+	IsAnimated    bool       `json:"is_animated"`
+	ContainsMasks bool       `json:"contains_masks"`
+	Stickers      []Sticker  `json:"stickers"`
+	Thumb         *PhotoSize `json:"thumb"`
+}
+
+// BotCommand represents Telegram's understanding of a command.
+type BotCommand struct {
+	Command     string `json:"command"`
+	Description string `json:"description"`
 }
 
 // BaseInputMedia is a base type for the InputMedia types.