2010-05-28 : new tables that include the ok_min/max_mean_absolute value

2010-05-28 : reverted file name construction to use first/last time. BUT added precision for daily and higher frequencies
2010-05-28 : fixed a bug in cmor checker when variable entry was "pop" would break
2010-05-28 : fixed default values of noerror in script from True to cmor.CMOR_CRITICAL

2010-05-27 : fixed  abug in test patch number of NetCDF3 version i was using = instead of ==

2010-05-24 : changed the way the final file name is constructed, uses time bounds if present, otherwise as before uses time values

2010-05-20 : fixed a bug in python interface when converting zfactor bounds array from 2D to the required 1D.
2010-05-20 : "changed sign" was always written in history even when not necessary. Fixed
2010-05-20 : newer tables

2010-05-20 : fixed a bug in python interface when converting zfactor bounds array from 2D to the required 1D.
2010-05-20 : "changed sign" was always written in history even when not necessary. Fixed
2010-05-20 : newer tables

2010-05-12 : user could pass any calendar name! Now has to match valid ones!

2010-05-11 : created a xls2csv script MUCH improved my life when Karl changes tables from now on.
2010-05-11 : sigma coord and irregular girds: implemented
2010-05-11 : cmor_lose new preserves the original  variable id
2010-05-11 : cmor_zfactor MUST have values if zfactor is not time dependent