* Moved Result structure into his own package

This change is preparatory for next refactorings

* Moving sourceFile object in his own file

* Moved uniqueSourceFileQueue in his own file

* Moved includeCache in his own file and made it a field of detector

* Fixed comment

* Renamed variable (typo)

* Simplified handling of de-duplication of cache hit messages

This equivalent change moves the 'first' variable closer to his definition and use.

* Implemented a better include-cache

* Remove the old, no longer used, includeCache

* Refactored function

it will be useful in the next commits.

* Always add to the build the libraries requested in the active sketch profile.

This will improve sketch compile time.

* Fixed result conversion.

* Ensure stable ordering when libraries are auto-included

This avoid cache invalidation if recompiled.