fix(pederson): Fix and verify pederson test

[PatStiles]

Description

Adds the proper tests values for pederson tests and adds accompanying sage scripts to recreate these test vectors.

Link to issue

Closes #89

Type of change

• [x] Bug fix (non-breaking change that fixes an issue)
• [x] This change requires a documentation update
• [x] Comments have been added/updated

Test plan (required)

Included with this update are sage scripts that demonstrate that show the calculations needed to recreate the tests.