Minimum required Python version bumped (3.5->3.6) and readthedocs Python interpreter upgraded (3.6->3.7).

.readthedocs.yml

@@ -2,6 +2,6 @@ build:
   image: latest
 
 python:
-  version: 3.6
+  version: 3.7
   setup_py_install: true
 

README.md

@@ -71,7 +71,7 @@ Imagine the ability of building custom event hooks to automatically trigger any
 - At a specific date or time
 - ...and so on (basically, anything can send events that can be used to build hooks)
 
-Imagine the ability of running the application, with lots of those bundled features, on any device that can comes with Python (_only compatible with version 3.5 and higher_). Platypush has been designed with performance in mind, it's been heavily tested on slower devices like Raspberry Pis, and it can run the web server features, multiple backends and plugins quite well even on a Raspberry Pi Zero - it's even been tested with some quite impressive performance on an older [Nokia N900](https://en.wikipedia.org/wiki/Nokia_N900), and of course you can run it on any laptop, desktop, server environment. It's been developed mainly with IoT in mind (and some of its features overlap with IoT frameworks like [Mozilla IoT](https://iot.mozilla.com) and [Android Things](https://developer.android.com/things/)), but nothing prevents you from automating any task on any device and environment.
+Imagine the ability of running the application, with lots of those bundled features, on any device that can comes with Python (_only compatible with version 3.6 and higher_). Platypush has been designed with performance in mind, it's been heavily tested on slower devices like Raspberry Pis, and it can run the web server features, multiple backends and plugins quite well even on a Raspberry Pi Zero - it's even been tested with some quite impressive performance on an older [Nokia N900](https://en.wikipedia.org/wiki/Nokia_N900), and of course you can run it on any laptop, desktop, server environment. It's been developed mainly with IoT in mind (and some of its features overlap with IoT frameworks like [Mozilla IoT](https://iot.mozilla.com) and [Android Things](https://developer.android.com/things/)), but nothing prevents you from automating any task on any device and environment.
 
 To get started:
 

setup.py

@@ -122,7 +122,7 @@ setup(
     author_email="info@fabiomanganiello.com",
     description="Platypush service",
     license="MIT",
-    python_requires='>= 3.5',
+    python_requires='>= 3.6',
     keywords="home-automation iot mqtt websockets redis dashboard notificaions",
     url="https://github.com/BlackLight/platypush",
     packages=find_packages(),
@@ -149,7 +149,7 @@ setup(
     classifiers=[
         "Topic :: Utilities",
         "License :: OSI Approved :: MIT License",
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 4 - Beta",
     ],
     install_requires=[
         'pyyaml',