* New method: `cf.Field.unlimited`, and new 'unlimited' parameter to `cf.write` and ``cfa``
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1.3
-----------
**2016-09-05**
* Removed asreftime, asdatetime and dtvarray methods * New method: `convert_reference_time` for converting reference time data values to have new units.
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1.2.3
-------------
**2016-08-23**
* Fixed bug in `cf.Data.equals`
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1.2.2
-------------
**2016-08-22**
* Fixed bug in binary operations to do with the setting of `Partition.part` * Added `cf.TimeDuration` functionality to get_bounds cellsizes parameter. Also new parameter flt ("fraction less than") to position the coordinate within the cell.
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1.2
-----------
**2016-07-05**
* Added HDF_chunks methods
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1.1.11
--------------
**2016-07-01**
* Added cellsize option to `cf.Coordinate.get_bounds`, and fixed bugs. * Added variable_attributes option to `cf.write` * Added `cf.ENVIRONMENT` method