CDO

New features:

• added option --worker <num>: Number of worker to decode/decompress GRIB records
• added option --pedantic: Warnings count as errors
• Yhourstat: added time bounds support
• expr: added support for ctimestep() in ternary conditional

New operators:

• yearmaxidx: Yearly maximum indices
• yearminidx: Yearly minimum indices

Changed operators:

• for: renamed to seq

Fixed bugs:

• Build failed with GCC 9 (OpenMP data sharing) [Bug #9038]
• compile error: EXIT_FAILURE not declared in cdoDebugOutput.h [Bug #8899]
• eca_gsl: the 2nd input file was not closed [Bug #9033]
• ensrkhisttime/ensrkhistspace: don't work
• detrend: seg. fault if time series containts time constant fields
• inttime, intntime: handling of missing values is incorrect
• select: combination of some parameter (var, grid, zaxis) doesn't work
• expr:zonSTAT: wrong result
• expr::vertmean: fix wrong warning message about layer bounds
• mergetime: SKIP_SAME_TIME doesn't work in release 1.9.6