v0.1.0

Added

• Add settings to modify the behaviour of the patching process.
• Added a FAQ section to the doc.

Changed

• Refactor the class ExtensionSet towards using an add() method.
• Clean-up the Extension.__init__() method from the parameters not required
  to construct the class.
• Get the ExtensionsRegistrar.register_extensions() function to return a
  single ExtensionSet object.
• Make minor tweaks to the code and documentation.