- command/element etc:
* retrieve information about commands from MAD-X ``defined_commands`` and
store in ``Command`` instances.
* use ``Command`` to improve command string generation and type-checks in
``util.mad_command`` (9)
* quote filename parameters when composing command string
* use deferred expressions (``:=``) whenever passing strings to
non-string parameters (11)
* subclass elements, beam from ``Command``
* support attribute access for table/mappings/commands/elements/beams etc
* allow case-insensitive access
* overload index-access in tables to retrieve rows
* implement ``Element.__delitem__`` by setting value to default
* return name for global elements too
* add ``Madx.base_types`` data variable that yields the base elements
* add ``Element.parent``/``base_type`` attributes
* more concise string representations
* strip -Proxy suffix from class names
* apply user defined row/column selections even when no output file is
specified
- installation:
* automatically use ``-lquadmath``
* add ``--static`` flag for setup script, use ``--shared`` by default
* no more need to link against PTC shared object separately
* finally provide some binary wheels for py 3.5 and 3.6 (32)
- raise cython language_level to 3
- require MAD-X 5.04.00