What's new:
- Synchronized with security fixes from upstream (see https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html for more details)
- Implement putty embedded dll for use in a future version of SuperXPuTTY (#4 thanks to @xl32)
- Memory-issues fixes for the clickable URL support.
- Now all executables are included in the release archive (pscp, puttygen, psftp, pagenet, plink, pterm).