ADDED  (12.05.2016): limits for spherical harmonics degree and order extended
    FIXED  (12.05.2016): wrong RINEX v2 header line excluded

---------------------------------------------------------------------
 BNC VERSION 2.12.1 (21.04.2016)
---------------------------------------------------------------------

    FIXED   (21.04.2016): RINEX v2 file naming for observation files
    CHANGED (21.04.2016): release number is now part of BNC version

---------------------------------------------------------------------
 BNC VERSION 2.12.0 (19.04.2016)
---------------------------------------------------------------------