Supports serverless & exceptions rectifications 🔧

[HeySreelal]

Telverse 1.9.8

• Televerse now can support handling updates passed to it as JSON data (without using a fetcher).
• This can be useful when you want to run bot on a serverless environment like AWS Lambda or Google Cloud Functions.
• Thanks to @rohitsangwan01 for the contribution. #99
• onError can now catch errors on the Long Polling.
• Replaced all Exception with TelegramException in the library.
• Replaced the Televerse.on logic to an extension on Televerse class.