v1.0.4

• 1.0.1 - Added help display when run interactively with no parameters
• 1.0.2 - Added configurable email recipient and improved first-run setup instructions.
• 1.0.3 - Post-1.0.2 hardening and behavior fixes.
  • When run with `-AltUser option, remove mapped PSDrive in try/finally so cleanup runs even on early exit.
  • Create recipient_cred.xml on first run with same security as for email_cred.xml
  • Robocopy exit codes as bitmask (fatal bits 8/16 means clearer logs for mismatches. Exit codes 5-7 no longer misclassified as failed.
  • folders.txt line split tolerates CRLF