Fix all of the vibe.d's warnings on compilation.
Currently it produces this:
Serializing composite type InputFile which has no serializable fields
Serializing composite type DeleteWebhookMethod which has no serializable fields
Serializing composite type GetWebhookInfoMethod which has no serializable fields
Serializing composite type GetMeMethod which has no serializable fields
Serializing composite type const(CallbackGame) which has no serializable fields
Deserializing composite type CallbackGame which has no serializable fields.
Warning: Setter for tg.d.TelegramBot.MethodResult!(tg.d.JsonableAlgebraic!(tg.d.Message, bool)).result is not @safe
Warning: Setter for tg.d.InlineQueryResultArticle.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultPhoto.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultGif.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultMpeg4Gif.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultVideo.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultAudio.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultVoice.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultDocument.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultLocation.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultVenue.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultContact.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedPhoto.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedGif.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedMpeg4Gif.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedSticker.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedDocument.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedVideo.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedVoice.input_message_content is not @safe
Warning: Setter for tg.d.InlineQueryResultCachedAudio.input_message_content is not @safe