Added some tests to demonstrate borken var issue
improved tests for variable issues
added back render test
Improved test for return tag.
Local load path
Call `Site#site_payload`
test_var ~> some_var
Local install of jekyll-liquid-plus in tests
Site#site_payload returns a Hash with a 'site' element -- it is a basis for the payload
Merge pull request #4 from parkr/var-fix

Give `render` access to {{ site }}