Metview

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- added support for int numpy arrays as input to functions and methods
- added support for bitwise and (&), or (|) and not (~) operators on Fieldsets
- added div() function (already available via the '/' operator)
- added mod() function
- improved timeout message by mentioning how to increase the timeout
- fixed error when updating an mv.Request object


(No version update)
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- added new Jupyter notebook for data analysis
- added new Jupyter notebook for computing and plotting ensemble data
- fixed issue where Metview Request objects did not respect the input data type

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- fixed issue when using a numpy array to index a Fieldset

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- added travis ci and coveralls support
- added automatic upload to PyPi

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- allow a geopoints column name to be used as index when assigning data to a column
- allow -, + and abs operators to work on Metview classes (e.g. a = -my_fieldset)
- added support for Metview's file object
- fixed issue where negative indexing did not work on a Fieldset
- fixed issue where concurrent iterators on a Fieldset did not work
- added experimental support for pickling Fieldsets
- automatically obtain list of Macro-based functions
- allow example notebooks to run in Binder

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- fixed issue when passing sliced numpy arrays to Metview
- added environment.yaml for running in Binder
- fixed issue when running example notebooks in Binder

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- fixed memory leak in Fieldset.append() method