v6.1.3

changelog:

• cleanup and extension of grib2 rad vars
• sort level and timerange after rounding, fix timerange 254 in rounding
• no querybest in ana
• new conversions and variables
• fix bug on endoftimeinterval
• avoid timerange 206 which is now valid
• added test for dba_qcfilter, fixed #1
• fix for conversion of relhum to q