Unit4 Timesheets

Invalid date

- Fix error when copy previous timesheets with ACE value
- Fix font and text color when there is pending changes in Project View
- Fix filtering work orders with TS completion date
- Improve security to prevent SQL data injection
- Improve security by implementing code obfuscation
- Encrypt data stored on the device
- Change MD5 algorithm to SHA256
- Improve PIN Policy
- Add limitation on incorrect logins attempts when using passcode
- Improve minor security issues