[ci][doc] ensure numpy==1.*

.github/workflows/CI-linux.yml

@@ -47,7 +47,7 @@ jobs:
         sudo apt install python3-pip
         python3 -m venv ./py4cl2-cffi/
         source ./py4cl2-cffi/bin/activate
-        pip3 install numpy
+        pip3 install numpy==1.*
         pip3 install networkx
         pip3 install matplotlib
 

.github/workflows/CI-macos.yml

@@ -48,7 +48,7 @@ jobs:
         python -m ensurepip --upgrade
         python3 -m venv ./py4cl2-cffi/
         source ./py4cl2-cffi/bin/activate
-        pip3 install numpy
+        pip3 install numpy==1.*
         pip3 install networkx
         pip3 install matplotlib
 

README.md

@@ -2,10 +2,11 @@ py4cl2-cffi - a CFFI approach to python interfacing in Common Lisp
 ---
 
 > Despite being featureful, I won't recommend using py4cl2-cffi in production or in long-term projects *yet*.
+> Numpy version 2 is unsupported atleast until 2025.
 
 Previous Common Lisp attempts: [burgled-batteries3](https://github.com/snmsts/burgled-batteries3) and [cl-python](https://github.com/metawilm/cl-python).
 
-New Common Lisp / SBCL attempt: [ouroboros](https://github.com/marcoheisig/ouroboros).
+New Common Lisp / SBCL attempt with support for calling Lisp from Python: [lang](https://github.com/marcoheisig/lang).
 
 Non Common Lisp approaches
 - see [this reddit thread](https://www.reddit.com/r/lisp/comments/yuipy7/pyffi_use_python_from_racket/) for PyFFI in racket, as well as Gambit Scheme