2010-09-29 : Cleaned up error messages, now tries to output var/axis it was...

2010-09-29 : Cleaned up error messages, now tries to output var/axis it was working on as well as table used.
2010-09-29 : When value that exceeds valid_min/max is found, now returns location of extreme point instead of first point encountered, as well as actuall coordinates values (not just indices)
2010-09-22 : Joerg found a bug that was due to checking only the refvar.dimension w/o checking the actual tables as well
2010-09-01 : fixed a bug on mac 32bit when reading in net3 version string
2010-09-01 : some vars with grid and singleton dims were wrongly analyzed by cmor_variable has not being defined with the right number of dimmensions.
2010-09-01 : updated doc. Was saying you can pass "none" for units when it really is: ""
2010-09-01 : updated doc. Was wrongly stating you can pass "none" if no missing_value
2010-08-24 : when writing time only variables, the time_bnds would fail to write if passed at cmor_write time.