As discussed in http://www.b4x.com/android/forum/threads/excludefromlibrary.43868/
#ExcludeFromLibrary: true excludes files from a library,
But it could be helpful to have a directive that includes a class/file (because being used by other classes) but does not expose it to the code that uses the library
#ExcludeFromLibrary: true excludes files from a library,
But it could be helpful to have a directive that includes a class/file (because being used by other classes) but does not expose it to the code that uses the library