0.192600  2019-09-17 12:37:57-04:00 EST5EDT

	- added fractional seconds
	- changed optically_shallow warning to data_use_warnings

0.173030  2017-10-30 13:51:26-04:00 EST5EDT

	- treat empty fields as undef

0.172890  2017-10-16 12:14:53-04:00 EST5EDT

	- added optional_warnings option to disable unneeded messages

0.172780  2017-10-05 15:03:05-04:00 EST5EDT

	- added sdy to the list of known date fields
	- added warning for optical_depth_warning
	- changed module namespace

0.170480  2017-02-17 16:21:06-05:00 EST5EDT

	- added preserve_detection_limits option

0.162580  2016-09-14 13:33:16EDT-0400 EST5EDT

	- added above_detection_limit support

0.151940  2015-07-13 13:09:12-04:00 EST5EDT

	- removed erroneous Perl 5.18 requirement

0.151910  2015-07-10 16:07:49-04:00 EST5EDT

	- fixed scriptures with respect to [deg] and [gmt] labels
	- fixed ancillary data detection bugs for location and, possibly, depth

0.142140  2014-08-01 23:33:06-04:00 EST5EDT

	- added functions to manipulate messages
	- added partial support for below detection limit
	- silenced module unless strict is used
	- stopped outputting blank units

0.141180  2014-04-28 12:54:23-04:00 EST5EDT

	- fixed a bug in the fill_ancillary_data code 

0.130250  2013-01-25 13:44:18 EST5EDT

	- the first release