Send another collection to avoid external modifications.
Remove useless check.
- it is not mandatory (the final result with and without is the same)
- the checked case is unprobable
- a more probable case would need more resources for checking
Fix: tests shadowed by wrong folder location.
Replace BSD license by CC0.
Update parsing lib to version 2.2.
Add the necessary parsing stuff to retrieve map titles.
Finish the basis for displaying the English labels for issue #27.
Revise logging.
Add persistence and source configuration for labels loading (issue #27).
Minor improvements.
Huge refinements to load files depending on their order + optimization.
Replacement of the hierarchy of components for the map by a simple list of components (single level).
Display the line numbers with auto update for issue #7.

The auto update is long to avoid stack overflow, but a better compromise should be found.