Release 1.20.0 (#334)

* Create publish-to-pypi.yml

* Create python-package.yml

* Rename python-package.yml to ci.yml

* Update ci.yml

* Update ci.yml

* remove 2.7

* remove 3.4, 3.5

DEPRECATION: Python 3.4 support has been deprecated. pip 19.1 will be the last one supporting it. Please upgrade your Python as Python 3.4 won't be maintained after March 2019 (cf PEP 429).

* Update tox.ini

* Update tox.ini

* Update tox.ini

* Update README.rst

* Update README.rst

* Update README.rst

* Update ci.yml

* remove travis yml

* Rename ci.yml to auto-testing.yml

* fix python version to 3.x

* Release 1.20.0

Author: louis70109

linebot/__about__.py

@@ -16,7 +16,7 @@
 
 from __future__ import unicode_literals
 
-__version__ = '1.19.0'
+__version__ = '1.20.0'
 __author__ = 'LINE Corporation'
 __copyright__ = 'Copyright 2016, LINE Corporation'
 __license__ = 'Apache 2.0'