the search might fail, without rejecting the promise -> fixed.
the search might fail, without rejecting the promise -> fixed. (tests)
the search might fail, without rejecting the promise -> fixed. (cleaning up)
Merge pull request #84 from benoitmangili/fix_tube_findbyEan13Barcode_promise

Fix tube findby ean13 barcode promise
Merge branch 'master' of https://github.com/sanger/S2Mapper
fix on the debug level