Feature/cipw output update

[bomtuckle]

Description

Some more minor corrections to the norm calculation. Main issue was that SO3 was not getting converted to moles.

Related Issue

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[bomtuckle]

@morganjwilliams - sorry for the addtional PR. I found some further issues.

[coveralls]

Pull Request Test Coverage Report for Build 5589696941

• 8 of 9 (88.89%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.001%) to 90.414%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pyrolite/mineral/normative.py	8	9	88.89%

Totals
Change from base Build 5583462154:	0.001%
Covered Lines:	5980
Relevant Lines:	6614

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💛 - Coveralls

[morganjwilliams]

@bomtuckle no worries, incremental PRs are also welcome. I'll leave this one open for today in case there are any new things which pop up, and will plan to merge it in tomorrow.