Remove unused utils_func file
Add get_data function
Make sure output of tapply are vectors, not 1d arrays
Add stacking to layer_bars
Re-export dplyr::explain
shiny.js: add check for __subapp__
Implement compute_width
layer_bars: use width for continuous and categorical x
Should be bind_shiny_ui, not bind_shiny
Make sure version is a string
Merge branch 'new-syntax' into render-cleanup

Conflicts:
	R/print.R