add has_one module
add can_create method to resources
upd changes
fix scroll_end bug
upd list_controller
add 'app' support for restful list
fix list items initialization
add default-value and serialize to inputs
upd form
fix is_html multiline bug
fix renderable
fix radio_group
simplify compiler rxps
upd changelog
add upadte_if to has_one
fix list memory leak; add perf test page