redact sensitive info

[Kyle-Falconer]

text and numbers that look like sensitive information should be filtered out or the user should be notified so that the sensitive info can be redacted prior to upload

sensitive info can include:

• dates of birth
• social security numbers
• home addesses

This feature should be unit tested. Each of these checks (for each date of birth, social security number, etc.) should be their own functions for easy validation. When sensitive information is found, the messages shown to the user return should not include the sensitive information, but should specify the row and column where it was found.