V0.1.0-alpha

Cleaning Update

This update brings the following:

• New figures to work with
• Circle class now have more methods to draw on bitmaps
• Now there are Circle (int class) and CircleF (float class)
• Remove innecesary "refs" parameters on many methods with bitmaps
• Add method to calculate distance from 2 points
• Remove ugly namespaces names with another more relevants to this project
• Organization and cleaning of whole library