Added possibility to use relative component ids with e.g. '<1'. Not documented, yet and not yet implemented for \drawfiber.
Fixed bug in \drawfiber with the new macro definition of \POE@getcomprange.
Allow to access all components at any time with their id, the compname is set as alias at the end of the component definition.
Allow relative comp ids with \drawfiber.
Added some tests.
Fixed trailing spaces
Fixed wrong warnings about component ids.
All tests pass.
Update version number, date and copyright year.