Version bump

Author: WardBrian

README.md

@@ -5,7 +5,7 @@ the [Stan](https://mc-stan.org) probabalistic programming language.
 
 ## Features
 
-- Writing Python dictionaries to Stan-compatible JSON
+- Writing Python dictionaries to Stan-compatible JSON (with optional support for using `ujson` for faster serialization)
 - Basic reading of StanCSV files into numpy arrays
 - Parameter extraction from numpy arrays based on StanCSV headers
   - e.g., if you have a `matrix[2,3] x` in a Stan program, extracting `x` will give you a `(num_draws, 2, 3)` numpy array

stanio/__init__.py

@@ -11,4 +11,4 @@
     "stan_variables",
 ]
 
-__version__ = "0.4.1"
+__version__ = "0.5.0"