Some changes from 100 years ago#14

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chelseas wants to merge 3 commits intosisl:masterfrom

chelseas:master

Commits on Feb 4, 2019

made parsing more thorough and broke up into smaller functions with more access points
chelseas
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added support for weights of different conventions
chelseas
committed

Commits on Apr 22, 2021

merging changes
chelseas
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