added update worksheets route and method
Merge pull request #34 from andrewjadams3/new-api-calls

added update worksheets route and method
added loadFields
Find correct responses for worksheets
Slight response update
Merge pull request #36 from andrewjadams3/submissions

Submissions
Merge pull request #35 from andrewjadams3/new-student-fields

added loadFields
Merged with master