Update Changelog.md

Changelog.md

@@ -7,4 +7,4 @@ All notable changes to this project will be documented in this file.
 
 ## [1.0.1] - 2018-12-05
 ### Small Change to Board Mounting Holes
-- Increased outer diameter of the mounting holes in the Base Left and Base right as I was still experiencing some breaking off when tightening the screws.
+- Increased outer diameter of the mounting holes in the Base Left and Base right as I was still experiencing some breaking off when tightening the screws.  Updated both the source files and STL files accordingly.  New outer diameter is 7mm, increased from 5mm in previous versions.