doc: documentation and version bump

Author: DCHartlen

README.md

@@ -125,5 +125,8 @@ The characteristic average of the input signals is defined as the mean value at
 
 # Change Log
 
+## Version 2023.1
+Important fix to `polygonFunction.polyxpoly()` as well as fixes to unit tests. 
+
 ## Version 2022.1
 This is the first production release of ARCGen-Python. There will inevitably be bugs. If you discover any throughout the course of your usage of ARCGen-Python, [please open an issue ticket](https://github.com/IMMC-UWaterloo/ARCGen-Python/issues).

setup.py

@@ -4,7 +4,7 @@
       long_description = fh.read()
 
 setup(name='arcgen-python',
-      version='2022.1',
+      version='2023.1.0',
       description='Arc-length Response Corridor Generation',
       long_description= long_description,
       long_description_content_type="text/markdown",