bump version to 4.0.3

bump version to 4.0.1

Merge pull request python-telegram-bot#213 from python-telegram-bot/p…

…rep34

Prepare Release of v3.4

Prepare to release v3.3

release 3.2 and update copyright notice to 2015-2016

release v3.1.2

Release v3.1.1, change author email everywhere

Merge pull request python-telegram-bot#127 from python-telegram-bot/c…

…hatclass

API updates Oct and Nov

Release version 3.0.0

Releasing v2.9.2