0.8.0

Added support for gradients (#6)

* Added different types of fill

* Added new testing script

* The parser detects now gradient tags

* The parser reads now Linear and Radial gradient tags

* The parser reads now gradient color stops

* The parser correctly parses now linear gradients

* Parser now parses radial gradients

* Fixed issues with the parsing arguments

* The parser now supports linear and radial gradients

* Adjusted the gradient imports