Minor fixes and documentation update

1.0.1

Fixed typo

Major release to support asyncio and the Telethon > v1.0.0

– Telethon updated to 1.14.0
– Application is rewritten to support asyncio

Initial version, written with Telethon v0.19.0.1

Merge pull request #4 from ValeriyMaslenikov/telethon-v1

Updated telethon version and the application was rewritten to support asyncio