PEP8
Add tests for variables access
Add get_value to PVA
Revert "Remove Values"

This reverts commit 249cfcf5e17b37cbaae08fc4cc2375f40ca99d8e.

Conflicts:
	internal/readme.md
Restore values.
set_value / get_value on Kingdom
Add tests for kingdom variables
Merge branch 'hugo' of github.com:Neamar/kingdoms into hugo
Corrections for js