When building copy headers to an accessible directory in the source folder
Return the stub reference when stubbing
Add test to make sure stubbing returns a stub reference
Keep track of the number of invocations
Add test for tracking the number of invocations
Implement clearing separate stubs
Add test for clearing separate stubs
Copyright notice
Add option to invoke the original implementation
Test stubbing with invoking the original implementation
Allow stubbing instance method for all instances
Add test for stubbing all instances
When clearing stubs, also clear general stubs
Support for clearing single general stubs
Add more tests for general stubbing
Include Showpad changes
Clear stubs after each test
Support invoking original implementation of general stubs
Add test for invoking original implementation of general stubs
Fix loosing the original implementation

General stubbing multiple times for the same selector resulted in the loss
of the original implementation.