Bumped up curriculum version to 1.2.1

Author: RAMIRIO

README.md

@@ -408,7 +408,7 @@ The **only things** that you need to know are how to use **Git** and **GitHub**.
 
 ## Change Log
 
-**Curriculum Version**: `1.1.1`
+**Curriculum Version**: `1.2.1`
 
 To show **respect** to all of our students, we will keep a [CHANGELOG](CHANGELOG.md) file that contains all the alterations that our curriculum may suffer.