Starsim

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- Only remove dead agents on certain timesteps
- *GitHub info*: PR `294 <https://github.com/amath-idm/stisim/pull/294>`_

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- Code reorganization, including making ``networks.py`` and ``disease.py`` to the top level
- Networks moved from ``People`` to ``Sim``
- Various classes renamed (e.g. ``FusedArray`` to ``UIDArray``, ``STI`` to ``Infection``)
- Better type checking
- Added ``MultiSim``
- Added cholera, measles, and Ebola
- Added vaccination
- More flexible inputs
- *GitHub info*: PR `235 <https://github.com/amath-idm/stisim/pull/235>`_

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- Transmission based on number of contacts
- *GitHub info*: PR `220 <https://github.com/amath-idm/stisim/pull/220>`_

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- Performance enhancement for disease transmission, leading to a 10% decrease in runtime.
- *GitHub info*: PR `217 <https://github.com/amath-idm/stisim/pull/217>`_

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- Adds template interventions and products for diagnostics and treatment
- Adds syphilis screening & treatment interventions
- *GitHub info*: PR `210 <https://github.com/amath-idm/stisim/pull/210>`_

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- Renamed ``stisim`` to ``starsim``.
- *GitHub info*: PR `200 <https://github.com/amath-idm/stisim/pull/200>`_