Allow to set id + custom attributes to hinclude tag

Squashed commits:
Allow to set an id attribute to hinclude tag
Allow custom attributes on hinclude tag
[HttpKernel] added escaping for hx:include tag attributes
[HttpKernel] updated CHANGELOG
[CS Fix] Consistent coding-style of concatenation operator usage
[Fix CS] Unneeded whitespace around negation operator
[Process] Added support for processes that need a TTY to run.