Merge branch 'release/0.2.10' into develop
Made Template.rendert take **kwargs
Renamed HtmlElement.insert to add
Renamed template.insert to add
Added index param to HtmlElement.add
Added index param to template.add
Added UL and LI to html_tags
Added add_class method to HtmlElement
Fixed HtmlElement.add_class when there is no class
Made HtmlElement.add_class accept na empty path
Added a basic Prototype to utils
Adjusted template.extends
Templates pass the template object to transforms, not the element
Fixed import in test_template
Added after method to HtmlElement
Made HtmlElement.after take text
Added before method to HtmlElement
Made HtmlElement.before take text
Made HtmlElement.before handle text on first element
Updated requirements