METHODS
render
Overrides the default render sub to print a span, not a div and not print labels and preambles and hintsXXX TODO the superclass should be more general, so we can just override those things to not print
render_wrapper_start
Don't show a wrapper for an inline buttonrender_wrapper_end
Don't show a wrapper for an inline buttonrender_preamble
Don't show a label for an inline buttonrender_label
Don't show a label for an inline buttonrender_hints
Don't show hints for an inline button

