Correct URLs
Merge pull request #12 from DanielOaks/url-fix

Correct URLs in civetweb.c
Update RELEASE_NOTES.md
Changed Windows installer to use Inno Setup.

Advanced Installer had problems with directory permissions
in its free version.

https://github.com/sunsetbrew/civetweb/issues/11
Fixed IPv6 makefile option
More compile warning fixes.  Mostly in main.c this time.
Changed exec permissions on perl test programs
Merge pull request #13 from DanielOaks/ipv6-fix

Fixed IPv6 makefile option