Hi, module arrows and code organization

Hi, i used  a function of your library for a small project,  for a course related to electronics i used that function as part of my frontend, to  draw sequences between states (rounded buttons) in a canvas behind the scene.

this pull contain a commit with small changes.

1. an image with your arrows in my project.

https://github.com/danyjavierb/MaquinaEstados1

2. i organized your code in a module using an namespace called arrows.

maybe you should change the readme file using this new namespace.

 

cheers