TemplateToValueSetGenerator treating codes as numbers

[sliver007]

Describe the bug
Codes seem to be being treated as number, resulting in an improper numeric representation for some large numbers, e.g., 27660001000004101 becomes 2.88761E+14 for 'History of methamphetamine abuse (situation)' in the 'Conditions documenting substance misuse disorder'

To Reproduce
Run the generator against the Opioid terminology spreadsheet (as of 3/28/2022), the the codes in the generated valueset mentioned above.

Expected behavior
Codes should be string values that match exactly and literally what is in the spreadsheet.

Desktop (please complete the following information):

• OS: MacOS Monterey
• Java Version 11