Export more functions from index.ts

[ecstrema]

I needed access to ConversionGroups, but they were not exported, so I figured I might as well export quite a few of them.

[github-actions]

Coverage report

Caution

Coverage does not meet threshold
Statements coverage not met for global: expected <=999999 not covered statements, but got 635

St.❔	Category	Percentage	Covered / Total
🟢	Statements	87.95% (+0.08% 🔼)	635/722
🟡	Branches	67.54%	129/191
🟡	Functions	79.27% (-1.98% 🔻)	130/164
🟢	Lines	86.89% (-0.02% 🔻)	570/656

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	index.ts	100%	100%	30.43% (-6.41% 🔻)	100%

Test suite run success

268 tests passing in 17 suites.

Report generated by 🧪jest coverage report action from bc8ee93