Rename macros -> core and add lib subproject
Generate result's string representation in a runner
Test generation of the string representation
Move runner logic from loadAndRunReq() to withRunner()
Move Results and Runner to separate files
Move code evaluator to the top-level in Interpreter
Add NoOutput extractor to tests
Add implicitlyOpt
Depend on xml in lib (for 2.11+)
Make lib depend on core