disable iframe pointer events during drags
add some reasonable default styles to TextInput widget
merge attrs and style keys when composing widget definitions
if you call addWidget with JSON and the JSON has child IDs, add the child IDs to the base widget
Merge branch 'master' of https://github.com/gameclosure/squill

* 'master' of https://github.com/gameclosure/squill:
  change tab structure to conform more closely with standard HTML tags (use ul/li/a for tabs)
  add addElement function to Widget class
  setValue and getValue operate on booleans for checkboxes now
  allow widgets to be created around existing elements