DOC: Update outdated links

Author: mgeier

README.rst

@@ -5,7 +5,7 @@ This Python_ module provides bindings for the PortAudio_ library and a few
 convenience functions to play and record NumPy_ arrays containing audio signals.
 
 Documentation:
-   http://python-sounddevice.readthedocs.io/
+   https://python-sounddevice.readthedocs.io/
 
 Source code repository and issue tracker:
    https://github.com/spatialaudio/python-sounddevice/
@@ -15,4 +15,4 @@ License:
 
 .. _Python: https://www.python.org/
 .. _PortAudio: http://www.portaudio.com/
-.. _NumPy: http://www.numpy.org/
+.. _NumPy: https://numpy.org/

doc/installation.rst

@@ -83,9 +83,9 @@ You can also install NumPy with ``pip``, but depending on your platform, this
 might require a compiler and several additional libraries.
 
 .. _PortAudio: http://www.portaudio.com/
-.. _NumPy: http://www.numpy.org/
+.. _NumPy: https://numpy.org/
 .. _Python: https://www.python.org/
-.. _Anaconda: https://www.anaconda.com/download/
-.. _WinPython: http://winpython.github.io/
-.. _CFFI: http://cffi.readthedocs.io/
+.. _Anaconda: https://www.anaconda.com/distribution/#download-section
+.. _WinPython: https://winpython.github.io/
+.. _CFFI: https://cffi.readthedocs.io/
 .. _PyPI: https://pypi.org/project/sounddevice/

sounddevice.py

@@ -45,7 +45,7 @@
     `AsioSettings`, `CoreAudioSettings`, `WasapiSettings`
 
 Online documentation:
-    http://python-sounddevice.readthedocs.io/
+    https://python-sounddevice.readthedocs.io/
 
 """
 __version__ = '0.3.13'