XLSX.js is a JavaScript library for converting the data in base64 XLSX files into JavaScript objects - and back! Please note that this library is licensed under the Microsoft Office Extensible File License - a license NOT approved by the OSI. While this license is based off of the MS-PL, which is OSI-approved, there are significant differences.
Update number detection code to avoid false positives on some strings which are detected as numbers but are actually strings.
Example: Before, the string "650 mg" is detected as a number because:
Now this new code properly detects it as a string