Merge pull request eternnoir#1307 from coder2020official/master

Update custom_filters.py

Merge pull request eternnoir#1284 from Badiboy/master

Bump version to 4.0 release

Merge pull request eternnoir#1270 from Badiboy/master

Check and update for full compatibility to Bot API up to 5.3

Merge pull request eternnoir#1241 from Badiboy/master

Release version 3.8.2

Merge pull request eternnoir#1207 from Badiboy/master

Post-release fix for infinity_polling

Merge pull request eternnoir#1205 from Badiboy/master

Release version 3.8.0

Merge pull request eternnoir#1160 from Badiboy/master

Update version.py

Merge pull request eternnoir#1157 from Badiboy/master

Release 3.7.8

Merge pull request eternnoir#1121 from Badiboy/master

Minor release
Heroku example update

Merge pull request eternnoir#1080 from Badiboy/master

Release v.3.7.6