Possible typos in example notebook and MetaCast package

[robmoss]

Hi @m-d-grunnill, I noticed the following potential typos in the example notebook and the MetaCast package:

• The MultnomialSeeder class is missing the "i" in "Multi"?
• The metacast.event_handling module provides an EventQueue class, but "queue" is spelt "que" in several places, such as:
  • The metacast.event_handling.event_que module (unlikely to be an issue, since the EventQueue class is typically imported from metacast.event_handling)
  • Throughout the demonstration notebook
• "Compliance" is spelt "complaince" in several times in the demonstration notebook.

The last two should be simple to address, while correcting the first one would introduce a breaking change unless the class is exported under both the original and corrected names.

None of these are critical, and they do not detract from the value of the package, the examples presented in the notebook, or the JOSS paper. So please resolve these typos as you see fit, or not at all.

[robmoss]

I spotted one more potential typo in §5.2 of the demonstration notebook:

• "In order to generate a LH sample lhs_prcc requires a pandas.DataFrame outlining the bombardiers of LHS (our parameter certainties)"; I suspect this should be "boundaries"?

[m-d-grunnill]

These typos have been dealt with.