Updated the CHANGELOG.

Author: LTLA

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
-## Version 0.1
+## Version 0.1.1
+
+- Cast pointers to/from `uintptr_t` so that downstream packages aren't forced to rely on **pybind10** converters.
+- Added a `knncolle_py.h` header to ensure developers use the correct types during casting.
+
+## Version 0.1.0
 
 Bindings to the algorithms in the **knncolle** package.