0.1.4: Merge pull request #9 from NikitaKharkov/support-send_invoice-method

Completed supporting sendInvoice method

0.1.3: Merge pull request #8 from greblov/restrict-callback-length

callback data length check

0.1.2: Merge pull request #7 from NikitaKharkov/add-support-send-document

Supporting send document feature

0.1.1: Merge pull request #3 from formapro/callback-query

Add callback query model.

0.1.0

init