Updated web/docs to reflect python >= 3.8.

QuickStart.md

@@ -7,7 +7,7 @@ This document will guide you through the install procedure and your first Hello
 - [Hello World example](#hello-world)
 
 ## Requirements
-- python3.7+
+- python3.8+
 
 ## Install PSI/J
 
@@ -35,7 +35,7 @@ Install PSI/J from the GitHub repository:
 ## Hello World
 
 **Requirements**
-- python3.7
+- python3.8
 - Job executor, e.g. Slurm in this example
 
 **Steps**

docs/getting_started.rst

@@ -10,7 +10,7 @@ or from source.
 Requirements
 ^^^^^^^^^^^^
 
-The only requirements are Python 3.7+ and pip, which almost always
+The only requirements are Python 3.8+ and pip, which almost always
 comes with Python.
 
 Install from PIP

web/install.html

@@ -13,7 +13,7 @@ <h2><i class="fab fa-python"></i> Installing <span class="psij-font">PSI/J</span
                             <div style="margin-top: 1em">
                                 The psij-python library has the following requirements:
                                 <ul>
-                                    <li>Python 3.7 or later
+                                    <li>Python 3.8 or later
                                     <li>Ubuntu 16.04 or later (or an equivalent Linux distribution)
                                     <li>OS X 10.10 or later
                                 </ul>