Updated docs link, updated python docs link, updated setup.py

Author: evaherrada

README.rst

@@ -3,7 +3,7 @@ Introduction
 ============
 
 .. image:: https://readthedocs.org/projects/adafruit-circuitpython-rtttl/badge/?version=latest
-    :target: https://circuitpython.readthedocs.io/projects/rtttl/en/latest/
+    :target: https://docs.circuitpython.org/projects/rtttl/en/latest/
     :alt: Documentation Status
 
 .. image :: https://img.shields.io/discord/327254708534116352.svg
@@ -83,7 +83,7 @@ This plays Frosty the Snowman on a Circuit Playground Express (we must enable on
 Documentation
 =============
 
-API documentation for this library can be found on `Read the Docs <https://circuitpython.readthedocs.io/projects/rtttl/en/latest/>`_.
+API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/rtttl/en/latest/>`_.
 
 Contributing
 ============

docs/conf.py

@@ -23,8 +23,8 @@
 autodoc_mock_imports = ["pulseio", "pwmio", "audioio", "adafruit_waveform"]
 
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/3.4", None),
-    "CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
+    "python": ("https://docs.python.org/3", None),
+    "CircuitPython": ("https://docs.circuitpython.org/en/latest/", None),
 }
 
 # Add any paths that contain templates here, relative to this directory.

docs/index.rst

@@ -30,7 +30,7 @@ Table of Contents
     :caption: Other Links
 
     Download <https://github.com/adafruit/Adafruit_CircuitPython_RTTTL/releases/latest>
-    CircuitPython Reference Documentation <https://circuitpython.readthedocs.io>
+    CircuitPython Reference Documentation <https://docs.circuitpython.org>
     CircuitPython Support Forum <https://forums.adafruit.com/viewforum.php?f=60>
     Discord Chat <https://adafru.it/discord>
     Adafruit Learning System <https://learn.adafruit.com>

setup.py

@@ -45,8 +45,6 @@
         "Topic :: System :: Hardware",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
     ],
     # What does your project relate to?
     keywords="adafruit rtttl tones melodies hardware micropython circuitpython",