1. Completed new language key $PHPMAILER_LANG['extension_missing'].
2. fix translation error of $PHPMAILER_LANG['signing'] with correct meaning in Traditional Chinese
3. Re-order the translation keys to make it the same with default english locale.
Add doctype and charset to test output
Fix error test
Make test resuts a bit prettier
Improve addressing tests
Fix Russian and Polish corrupted language files, make sure all use UTF-8
Remove BOM from chinese language file
Make sure file descriptior is closed in EncodeFile
Fix private access problems to SMTP error message by adding getError function (caused by recent addition of SMTP error reporting)
All unit tests now pass
Remove stray comment chars in Arabic translation
Correct UTF-8 encoding of Russian and Chinese translations
Use single quotes in all array indices in language files
Remove unnecessary string concatenations and blank lines
Japanese and Polish are still broken
Ensure all files use UTF-8, no BOM
Ensure all files use Unix line breaks, and have no trailing line break
Arabic language was corrupted, so reimported from sourceforge patch
Files that previously used HTML entities now use correct UTF-8 characters
Looks like japanese and polish are corrupt, but I don't speak them to fix them!
