Particle

* Setup improvements.
* zipapp CI added.
* Particle search methods made robust against exceptions.

* Searches given a .dec decay file particle name:
- Speed-up of searches.
- Corner cases dealt with.
- Extended test suite for the ``Particle.from_dec(...)`` method.
* Added Particle.is_self_conjugate property.
* Bug fix in the PDG extended file from 2008 (in excited K, D and B meson names).

* Added re-release of the 2018 PDG data table (neutrinos added, formatting fixes).
* CI scripts for Azure enhanced.
* Test coverage improvements.
* Wheel now available on PyPI.

* Enhancements to ``Particle`` class:
- Particles in .dec decay files dealt with, see ``Particle.from_dec(...)`` method.
- Loading tables made nicer, with more documentation.
- Particle charge is an entry of CSV files again, so that user particles are better dealt with.
* Bug fix for corner cases of using the package for non-valid particles.
* Work on documentation.
* PyPI badge created from https://img.shields.io.

* Changes in API:
- Rename ``Particle.from_search/from_search_list`` to ``Particle.find/findall``.
- Rename ``Particle.fullname/name`` to ``Particle.name/pdg_name``.
- Rename ``Particle.bar`` to ``Particle.is_name_barred``.
- Rename ``Particle.latex`` to ``Particle.latex_name``.
* Neutrinos added to the 2018 data files.
* Better print-out of particle properties.
* Better handling of particle names in HTML and LaTeX.
* Better handling of ``Particle.empty()``.
* Test suite of ``particle`` and ``pdgid`` submodules improved and extended.
* Comprehensive package documentation (data files, ``particle`` and ``pdgid`` submodules).
* Added utility conversion function of particle names from LaTeX to HTML.
* Fixed LaTeX names of Delta(1232) baryons in ``data\pdgid_to_latex.csv`` file.
* Several bug fixes.
* Simpler usage of ``particle.particle.convert`` (non-public helper module).

* Particle search engine replaced with more intuitive and powerful version.
* Various improvements in the handling of particle names and literals.
* List of literals extended.
* More documentation in Particle class.
* More tests; table generation is now tested as well.
* Bug fixes in CSV data files and LaTeX naming updates.
* Added missing particles for 2018 data files.