Ingy döt Net

https://github.com/yaml/libyaml is now migrated.

@LocutusOfBorg the pyyaml.org Trac is out of our control.

The next step is to make a list of the changes needed to get there.

I'd like to see tests added for these things. We might want to split this into 2 PRs. URLs are probably a more common reason for ':' in plain scalar,...

Originally from Andy Grundman circa August 2014. Not sure if we can get a solaris test env. I can ask around. @sigmavirus24, what's the current state of CICD for libyaml?

@sigmavirus24 think we can go ahead and apply this? Since we don't have CI testing for solaris, releasing it would likely get someone to complain if it breaks anything. Then...

@sigmavirus24, I was kinda kidding. Mostly this is a simple patch and we've been sitting on it for a year. No idea how much solaris usage we have.

@hanetzer @sigmavirus24 @perlpunk I had to a merge conflict with some other new ifdef stuff, and I wanted to make sure it looks right. It looked right to me and...

@andygrundman Hi. Your Solaris patch for YAML::XS just made it into libyaml. Was wondering if you or ActiveState had any resources for CICD testing on Solaris or HPUX?

Can you do this with the test suite (data branch) as a submodule?