2010-08-18 : added a check for cmor_variables making sure axes/grid ids passed are valid

2010-08-18 : downgraded abs min/max CRITICAL error to NORMAL
2010-08-18 : dowgraded invalid min/max from NORMAL error to WARNING
2010-08-10 : cmor_setup, was initalizing strings beyhond the max number fo elts, cause seg fault with python (loop was to CMOR_MAX_ELEMENTS when it should have been CMOR_MAX_ATTRIBUTES)