Undo the testcase 0
Introduce testcase1

Tests the wrapper error handlers used together with the := operator
Simple test case runner
Implement the detection of the name of the error argument
Update the test case, add a return value ignoring usage
Expand the run
Expand the runner script, start debugging the = errNN not unwrapped issue.
Start debugging
Refactor the wesit function

The replacement of various return functions now works
Strip actual returns from the errNN wrapper function
Add sample args
Return statement cutoff
Working assignment of error variable for the := operator
Fixed the off = tot bug
The definition of the err variable is almost done
Working injection of error define assignment statement
Update the testcase to build properly
Add testcase 2
We have an error variables
Test case 2 seems to be ran and pass