Update version

Author: DanPorter

README.md

@@ -1,15 +1,15 @@
 # Dans_Diffraction
 Reads crystallographic cif files, calculates crystal properties and simulates diffraction.
 
-**Version 3.3**
+**Version 3.4**
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8106031.svg)](https://doi.org/10.5281/zenodo.8106031)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/DanPorter/Dans_Diffraction/master?labpath=Dans_Diffraction.ipynb) 
 [![](https://img.shields.io/github/forks/DanPorter/Dans_Diffraction?label=GitHub%20Repo&style=social)](https://github.com/DanPorter/Dans_Diffraction)
 
 
 By Dan Porter, Diamond Light Source
-2024
+2025
 
 #### TL;DR:
 ```text
@@ -45,7 +45,7 @@ For comments, queries or bugs - email [dan.porter@diamond.ac.uk](mailto:dan.port
 
 # Installation
 **Requirements:** 
-Python 3+ with packages: *Numpy*, *Matplotlib*, *Tkinter*.
+Python 3.7+ with packages: *Numpy*, *Matplotlib*, *Tkinter*.
 BuiltIn packages used: *sys*, *os*, *re*, *glob*, *warnings*, *json*, *itertools*
 
 Install stable version from PyPI: